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we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | so you 're going from neutrality or , let 's say , you expect them to go down . but now you expect them to go down even faster . and if all of a sudden you expect them to go down even faster , you 're even less likely to buy them now . if before you thought prices were going to be roughly constant , and now you expect ... | so , would people buy your products know , because they were afraid that if they waited longer , that the prices would go up even higher ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | now all of a sudden , they expect the prices to go up going forward . so now expect the future price to go up . what 's going to happen ? | is the following a valid explanation : - sale ( end-of-season , clearance ) increases demand temporarily because people expect the price to go up once the sale ends ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . | what does ceterus perabus mean ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we started talking about is what happens when you change some of those things that we 've been holding equal , how does that change demand ? | what does ceteris parabus mean ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | so because of scenario two , demand was decreased . demand was decreased . | when assuming the demand curve will shift to the right , it seems to me that we are only considering the `` expection '' on the demand side - more people want to buy the ebooks before the price rises ; however , if we take the buyers ' `` expectation '' on the supply side into consideration - the sellers will most like... |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | now let 's talk about another one of those factors that we 've been holding constant . and think about how that would change demand , the entire curve , if we were to change that . and that 's expectations of future prices . | outline the factors which would bring about a movem ent along and a shift in the demand curve ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | and now they expect future prices to go down . and this is something that happens in consumer electronics all the time . you see , whenever you buy a laptop or any type of electronics device , we now assume that the prices will go down . | can it be used to manipulate the public opinion/ consumer behaviour ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | well , depending on how much you expect it to go up , you 're probably more likely to buy it now , buy it before the price goes up . so regardless of what point on this curve we 're at -- regardless of the price point at any one of those price points -- people now , because instead of buying it later they want to buy i... | why is the line curvilinear instead ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | so because of scenario two , demand was decreased . demand was decreased . | does n't demand overall stay the same over a long period of time because in the future people will buy more which will compensate for the lower demand at present ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . | what is microeconomics , anyways ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | now let 's talk about another one of those factors that we 've been holding constant . and think about how that would change demand , the entire curve , if we were to change that . and that 's expectations of future prices . | when would the value of a product increase ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | well , depending on how much you expect it to go up , you 're probably more likely to buy it now , buy it before the price goes up . so regardless of what point on this curve we 're at -- regardless of the price point at any one of those price points -- people now , because instead of buying it later they want to buy i... | would n't there be some kind of `` price ceiling '' where above that price no one can afford the good/service so demand remains constant as price increases ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | i 'll do that in this green . so expectations of future prices . so let 's talk about a first scenario right over here where , let 's say , that this curve , people did n't expect prices to change for my ebook . and now all of a sudden there 's a change in expectation . | why do n't people expect prices to change on ebooks at about ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | well , depending on how much you expect it to go up , you 're probably more likely to buy it now , buy it before the price goes up . so regardless of what point on this curve we 're at -- regardless of the price point at any one of those price points -- people now , because instead of buying it later they want to buy i... | `` on all the video '' : if there is an expectation of a future higher price , does n't the demand curve shift left because people will want to save for the higher price ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | so let 's talk about a first scenario right over here where , let 's say , that this curve , people did n't expect prices to change for my ebook . and now all of a sudden there 's a change in expectation . now all of a sudden , they expect the prices to go up going forward . | how is `` expectation '' quantified ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | so because of scenario two , demand was decreased . demand was decreased . | how price of a certain product are expected to increase or decreased ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | and if the price of related goods change , both complements and substitutes , how that might increase or decrease demand , the entire curve . not just one particular scenario . now let 's talk about another one of those factors that we 've been holding constant . | how can one know whether the price of a particular product is going to be increased or decreased in the future ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | now all of a sudden , they expect the prices to go up going forward . so now expect the future price to go up . what 's going to happen ? | so how can i know whether this price will be increased or decreased in the future ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | so because of scenario two , demand was decreased . demand was decreased . | is there any case where as price increases demand also increases ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | and so the entire demand curve will be shifted to the left . so because of scenario two , demand was decreased . demand was decreased . | in other words , why are the demand curves for 1 and 2 parallel to the original scenario ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | so because of scenario two , demand was decreased . demand was decreased . | would speculation ( housing , stocks ) always follow the traditional law of demand ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . | what will be the impact on the equilibrium in the market of burger ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | but what we started talking about is what happens when you change some of those things that we 've been holding equal , how does that change demand ? in the last video , we talked about the price of related goods . and if the price of related goods change , both complements and substitutes , how that might increase or ... | do some situations require consumers to simply purchase their goods no matter what ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . | if the price of water goes up , how does this affect our demand curve ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | but what we started talking about is what happens when you change some of those things that we 've been holding equal , how does that change demand ? in the last video , we talked about the price of related goods . and if the price of related goods change , both complements and substitutes , how that might increase or ... | or another way to put it , do `` necessary goods '' resist price increases ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | they did n't have any opinion about whether future prices were going to go up or down , or maybe they just assumed they were going to stay the same . and now they expect future prices to go down . and this is something that happens in consumer electronics all the time . | how can we expect the near future prices , is there a mathematical formula or is it just by intuition ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | well , depending on how much you expect it to go up , you 're probably more likely to buy it now , buy it before the price goes up . so regardless of what point on this curve we 're at -- regardless of the price point at any one of those price points -- people now , because instead of buying it later they want to buy i... | is there a maximum point , say demand will increase if people expect the dry cleaner 's prices to increase each month , until a shirt costs $ 10 dollars , and then regardless of future price hikes , demand goes down anyways because the current price is too high ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | so because of scenario two , demand was decreased . demand was decreased . | is the demand elastic or inelastic ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | so because of scenario two , demand was decreased . demand was decreased . | would the demand rise higher than usual once the expected drop in the price arrived ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | they did n't have any opinion about whether future prices were going to go up or down , or maybe they just assumed they were going to stay the same . and now they expect future prices to go down . and this is something that happens in consumer electronics all the time . | how does the quantity demand go up due to the present and future prices ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | so the current demand went up . the current demand curve shifted to the right . and now we can just take the other side of that . | would inflation make the demand curve shift to the right ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . | like you quoted `` product 's own price can only change the quantity demanded of the product '' , my doubt is change in future price is also the same as product 's own price so why is it changing the demand ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . | how would the positionning of certain products break the theoretical logic between prices and the quantity demanded ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . | does the marketing image of such products blind consumers and companies to make unprecedented choices in purchasing and sales strategy ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | now all of a sudden , they expect the prices to go up going forward . so now expect the future price to go up . what 's going to happen ? | so , what will affect the expectation of the price ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | now let 's talk about another one of those factors that we 've been holding constant . and think about how that would change demand , the entire curve , if we were to change that . and that 's expectations of future prices . | did the price of gas change ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | i 'll do that in this green . so expectations of future prices . so let 's talk about a first scenario right over here where , let 's say , that this curve , people did n't expect prices to change for my ebook . | does the demand shift from expected future prices actually create a self fulfilling prophesy ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | so the current demand went up . the current demand curve shifted to the right . and now we can just take the other side of that . | are there any situations where the demand curve actually changes shape as opposed to just moving ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | now all of a sudden , they expect the prices to go up going forward . so now expect the future price to go up . what 's going to happen ? | what happens when the future price is expected to go down but the related items prices go up ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . | why do you have to draw the graph that way ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | and now we can just take the other side of that . imagine what happens in scenario two . before , people were neutral . | what effect will be cause if a decrease in interest rate happens ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | what 's going to happen ? if you expect the future price to go up and the good or the product in question is something that you can store . well , depending on how much you expect it to go up , you 're probably more likely to buy it now , buy it before the price goes up . | i wonder what makes price so special and not something like population or market size ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | so let 's talk about a first scenario right over here where , let 's say , that this curve , people did n't expect prices to change for my ebook . and now all of a sudden there 's a change in expectation . now all of a sudden , they expect the prices to go up going forward . | is there anything that stops false claims of expectation ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | so because of scenario two , demand was decreased . demand was decreased . | are prices contingent on demand or preferences ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | so because of scenario two , demand was decreased . demand was decreased . | is the demand or the quantity of demand changing or both ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | in the last video , we talked about the price of related goods . and if the price of related goods change , both complements and substitutes , how that might increase or decrease demand , the entire curve . not just one particular scenario . | what changes other than price might expand demand ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | they did n't have any opinion about whether future prices were going to go up or down , or maybe they just assumed they were going to stay the same . and now they expect future prices to go down . and this is something that happens in consumer electronics all the time . | a person in the market who expect that the prices of products will increase in future is known as ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | so because of scenario two , demand was decreased . demand was decreased . | why is law of demand important to economics ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | and now they expect future prices to go down . and this is something that happens in consumer electronics all the time . you see , whenever you buy a laptop or any type of electronics device , we now assume that the prices will go down . | if the preferences of that consumer would be monotonic , what kind of comparisons could we perform among the baskets ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | so in this scenario , the whole curve will shift to the left . at any given price point , the quantity demanded will go down at any point in that curve . and so the entire demand curve will be shifted to the left . | would it be correct to say that demand is the entire curve and quantity demanded is a specific point on that curve based on a given price point ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | now let 's talk about another one of those factors that we 've been holding constant . and think about how that would change demand , the entire curve , if we were to change that . and that 's expectations of future prices . | why does an expected change in price affect the demand for a good ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | before , people were neutral . that was our curve right there . they did n't have any opinion about whether future prices were going to go up or down , or maybe they just assumed they were going to stay the same . | when the curve shifts , is it a direct translation or does it bunch up or spread out logarithmically perhaps ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | this is just a general idea . this is scenario one . and the shifting of the entire curve , you could say they increased demand . | how can one induce the expectations about the price of some product ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . | what does an aging and slow growing population do to your economy ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | i 'll do that in this green . so expectations of future prices . so let 's talk about a first scenario right over here where , let 's say , that this curve , people did n't expect prices to change for my ebook . | may i assume that the definition of deflation and inflation will be covered in the future session ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | now all of a sudden , they expect the prices to go up going forward . so now expect the future price to go up . what 's going to happen ? | just to clarify the expected future price impacts the current price right ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | so because of scenario two , demand was decreased . demand was decreased . | compute the price elasticity of demand when price is $ 800. what can you say about the demand ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | so because of scenario two , demand was decreased . demand was decreased . | just to clarify , are clearance sales under this category of factors that can affect demand ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | so the current demand went up . the current demand curve shifted to the right . and now we can just take the other side of that . | when is there gon na be a movement along the curve of both demand and supply ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | before , people were neutral . that was our curve right there . they did n't have any opinion about whether future prices were going to go up or down , or maybe they just assumed they were going to stay the same . | does the curve , our basic e-book curve has to do anything with it shifting to the left or right side ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | so the current demand went up . the current demand curve shifted to the right . and now we can just take the other side of that . | how will it affect our demand curve ? |
we 've been talking about the law of demand and how if we hold all else equal , if price goes up , the quantity demanded goes down . and if price goes down , the quantity demanded goes up . so if you hold all else equal , ceteris paribus , we 're just moving along this curve depending on what price . but what we starte... | if you expect the future price to go up and the good or the product in question is something that you can store . well , depending on how much you expect it to go up , you 're probably more likely to buy it now , buy it before the price goes up . so regardless of what point on this curve we 're at -- regardless of the ... | in the example of an ebook , does the required internet connection , energy bill required to operate the kindle and the computer to buy it on count as complement products as well ? |
: let 's say that we have got 2 matrices , and i 'll just , for simplicity , i 'll start with two 2 by 2 matrices . let 's say that this first one right over here is 2 , negative 2 , 5 , and let 's say 5 and 3 , and then i have this matrix right over here that it 's also going to be 2 by 2 . let 's say it 's negative ... | that 's how we did addition . we added corresponding entries , but that is not the convention for multiplying matrices . that is not the standard convention . | how did mathematicians decide what the rule for multiplying matrices should be ? |
: let 's say that we have got 2 matrices , and i 'll just , for simplicity , i 'll start with two 2 by 2 matrices . let 's say that this first one right over here is 2 , negative 2 , 5 , and let 's say 5 and 3 , and then i have this matrix right over here that it 's also going to be 2 by 2 . let 's say it 's negative ... | you could have done it the same way that you add matrices . when you add matrices , both matrices have to have the same dimensions , and you just add the corresponding entries in the matrices . one convention could have been why do n't we just , for our product right over here , why do n't we just multiply correspondin... | is there a specific mathematician who thought up how we multiply matrices ? |
: let 's say that we have got 2 matrices , and i 'll just , for simplicity , i 'll start with two 2 by 2 matrices . let 's say that this first one right over here is 2 , negative 2 , 5 , and let 's say 5 and 3 , and then i have this matrix right over here that it 's also going to be 2 by 2 . let 's say it 's negative ... | what i want to go through in this video , what i want to introduce you to is the convention , the mathematical convention for multiplying two matrices like these . i want to stress that because mathematicians could have come up with a bunch of different ways to define matrix multiplication . but the convention that i '... | how do you multiply two matrix with different dimensions ? |
: let 's say that we have got 2 matrices , and i 'll just , for simplicity , i 'll start with two 2 by 2 matrices . let 's say that this first one right over here is 2 , negative 2 , 5 , and let 's say 5 and 3 , and then i have this matrix right over here that it 's also going to be 2 by 2 . let 's say it 's negative ... | you could have done it the same way that you add matrices . when you add matrices , both matrices have to have the same dimensions , and you just add the corresponding entries in the matrices . one convention could have been why do n't we just , for our product right over here , why do n't we just multiply correspondin... | so humans `` invented '' matrices ? |
: let 's say that we have got 2 matrices , and i 'll just , for simplicity , i 'll start with two 2 by 2 matrices . let 's say that this first one right over here is 2 , negative 2 , 5 , and let 's say 5 and 3 , and then i have this matrix right over here that it 's also going to be 2 by 2 . let 's say it 's negative ... | now let 's just power through it together . sometimes matrix multiplication can get a little bit intense . we 're now in the second row , so we 're going to use the second row of this first matrix , and for this entry , second row , first column , second row , first column . 5 times negative 1 , 5 times negative 1 plus... | here we multiply the rows of first matrix to the columns of second matrix ... ... what if we multiply columns of the first matrix to the rows of second matrix ? |
: let 's say that we have got 2 matrices , and i 'll just , for simplicity , i 'll start with two 2 by 2 matrices . let 's say that this first one right over here is 2 , negative 2 , 5 , and let 's say 5 and 3 , and then i have this matrix right over here that it 's also going to be 2 by 2 . let 's say it 's negative ... | what i want to go through in this video , what i want to introduce you to is the convention , the mathematical convention for multiplying two matrices like these . i want to stress that because mathematicians could have come up with a bunch of different ways to define matrix multiplication . but the convention that i '... | from where does the multiplication rule come from ? |
: let 's say that we have got 2 matrices , and i 'll just , for simplicity , i 'll start with two 2 by 2 matrices . let 's say that this first one right over here is 2 , negative 2 , 5 , and let 's say 5 and 3 , and then i have this matrix right over here that it 's also going to be 2 by 2 . let 's say it 's negative ... | notice , i took the product , first entry in the row , first entry in the column , those two products , then the product of second entry in the row , second entry in the column that 's right over there , and then i added them together . that 's essentially taking the dot product of this row vector and this column vecto... | will someone give brief definitions of 'vector ' and 'dot product ' , please ? |
: let 's say that we have got 2 matrices , and i 'll just , for simplicity , i 'll start with two 2 by 2 matrices . let 's say that this first one right over here is 2 , negative 2 , 5 , and let 's say 5 and 3 , and then i have this matrix right over here that it 's also going to be 2 by 2 . let 's say it 's negative ... | now let 's just power through it together . sometimes matrix multiplication can get a little bit intense . we 're now in the second row , so we 're going to use the second row of this first matrix , and for this entry , second row , first column , second row , first column . | why is matrix multiplication so weird ? |
: let 's say that we have got 2 matrices , and i 'll just , for simplicity , i 'll start with two 2 by 2 matrices . let 's say that this first one right over here is 2 , negative 2 , 5 , and let 's say 5 and 3 , and then i have this matrix right over here that it 's also going to be 2 by 2 . let 's say it 's negative ... | that 's how we did addition . we added corresponding entries , but that is not the convention for multiplying matrices . that is not the standard convention . | what is the real world meaning of multiplying matrices ? |
: let 's say that we have got 2 matrices , and i 'll just , for simplicity , i 'll start with two 2 by 2 matrices . let 's say that this first one right over here is 2 , negative 2 , 5 , and let 's say 5 and 3 , and then i have this matrix right over here that it 's also going to be 2 by 2 . let 's say it 's negative ... | now let 's just power through it together . sometimes matrix multiplication can get a little bit intense . we 're now in the second row , so we 're going to use the second row of this first matrix , and for this entry , second row , first column , second row , first column . | when is matrix used , and how ? |
: let 's say that we have got 2 matrices , and i 'll just , for simplicity , i 'll start with two 2 by 2 matrices . let 's say that this first one right over here is 2 , negative 2 , 5 , and let 's say 5 and 3 , and then i have this matrix right over here that it 's also going to be 2 by 2 . let 's say it 's negative ... | now let 's just power through it together . sometimes matrix multiplication can get a little bit intense . we 're now in the second row , so we 're going to use the second row of this first matrix , and for this entry , second row , first column , second row , first column . | my question is quite a bit more complex than what we are discussing right here ... how to you graph a matrix ? |
: let 's say that we have got 2 matrices , and i 'll just , for simplicity , i 'll start with two 2 by 2 matrices . let 's say that this first one right over here is 2 , negative 2 , 5 , and let 's say 5 and 3 , and then i have this matrix right over here that it 's also going to be 2 by 2 . let 's say it 's negative ... | now let 's just power through it together . sometimes matrix multiplication can get a little bit intense . we 're now in the second row , so we 're going to use the second row of this first matrix , and for this entry , second row , first column , second row , first column . | and is it possible to find a matrix from a graph ? |
: let 's say that we have got 2 matrices , and i 'll just , for simplicity , i 'll start with two 2 by 2 matrices . let 's say that this first one right over here is 2 , negative 2 , 5 , and let 's say 5 and 3 , and then i have this matrix right over here that it 's also going to be 2 by 2 . let 's say it 's negative ... | now let 's just power through it together . sometimes matrix multiplication can get a little bit intense . we 're now in the second row , so we 're going to use the second row of this first matrix , and for this entry , second row , first column , second row , first column . | how do use matrix multiplication when we find vectors in physics ? |
: let 's say that we have got 2 matrices , and i 'll just , for simplicity , i 'll start with two 2 by 2 matrices . let 's say that this first one right over here is 2 , negative 2 , 5 , and let 's say 5 and 3 , and then i have this matrix right over here that it 's also going to be 2 by 2 . let 's say it 's negative ... | now let 's just power through it together . sometimes matrix multiplication can get a little bit intense . we 're now in the second row , so we 're going to use the second row of this first matrix , and for this entry , second row , first column , second row , first column . | how do i divide a matrix by a matrix ? |
: let 's say that we have got 2 matrices , and i 'll just , for simplicity , i 'll start with two 2 by 2 matrices . let 's say that this first one right over here is 2 , negative 2 , 5 , and let 's say 5 and 3 , and then i have this matrix right over here that it 's also going to be 2 by 2 . let 's say it 's negative ... | that 's essentially taking the dot product of this row vector and this column vector . if that does n't make sense to you , if you 're not familiar with vectors and dot products , do n't worry about it . we just took the first end product of the first entry , product of the second entry , added them together to get ... | how long are you supposed to play hide n seek with my mom ? |
: let 's say that we have got 2 matrices , and i 'll just , for simplicity , i 'll start with two 2 by 2 matrices . let 's say that this first one right over here is 2 , negative 2 , 5 , and let 's say 5 and 3 , and then i have this matrix right over here that it 's also going to be 2 by 2 . let 's say it 's negative ... | you could have done it the same way that you add matrices . when you add matrices , both matrices have to have the same dimensions , and you just add the corresponding entries in the matrices . one convention could have been why do n't we just , for our product right over here , why do n't we just multiply correspondin... | when multiplying matrices , do you have to put the multiplication sign between them , or would placing the two matrices side by side indicate multiplication ? |
: let 's say that we have got 2 matrices , and i 'll just , for simplicity , i 'll start with two 2 by 2 matrices . let 's say that this first one right over here is 2 , negative 2 , 5 , and let 's say 5 and 3 , and then i have this matrix right over here that it 's also going to be 2 by 2 . let 's say it 's negative ... | but i really want to stress this is a human construct . humans have found defining matrix multiplication the way i 'm about to show you to be useful . let 's just think about how this could be . | can anyone show a diagram involving a b c and d ? |
: let 's say that we have got 2 matrices , and i 'll just , for simplicity , i 'll start with two 2 by 2 matrices . let 's say that this first one right over here is 2 , negative 2 , 5 , and let 's say 5 and 3 , and then i have this matrix right over here that it 's also going to be 2 by 2 . let 's say it 's negative ... | if the word `` dot product '' makes no sense to you , i will show you what that actually means . actually , let 's get some more real estate here just so i think it will be useful , especially this very first time that we attempt to multiply matrices . this top left entry , it 's going to be 2 times negative 1 , so 2 t... | a b w x c d ( multiply these ) y z = ? |
: let 's say that we have got 2 matrices , and i 'll just , for simplicity , i 'll start with two 2 by 2 matrices . let 's say that this first one right over here is 2 , negative 2 , 5 , and let 's say 5 and 3 , and then i have this matrix right over here that it 's also going to be 2 by 2 . let 's say it 's negative ... | notice , i took the product , first entry in the row , first entry in the column , those two products , then the product of second entry in the row , second entry in the column that 's right over there , and then i added them together . that 's essentially taking the dot product of this row vector and this column vecto... | why do you essentially take the vector dot product of the two collumns/rows ? |
: let 's say that we have got 2 matrices , and i 'll just , for simplicity , i 'll start with two 2 by 2 matrices . let 's say that this first one right over here is 2 , negative 2 , 5 , and let 's say 5 and 3 , and then i have this matrix right over here that it 's also going to be 2 by 2 . let 's say it 's negative ... | when you add matrices , both matrices have to have the same dimensions , and you just add the corresponding entries in the matrices . one convention could have been why do n't we just , for our product right over here , why do n't we just multiply corresponding entries ? 2 times negative 1 would put a negative 2 here . | why would n't taking the product of entries occupying the same spot be more usefull ? |
: let 's say that we have got 2 matrices , and i 'll just , for simplicity , i 'll start with two 2 by 2 matrices . let 's say that this first one right over here is 2 , negative 2 , 5 , and let 's say 5 and 3 , and then i have this matrix right over here that it 's also going to be 2 by 2 . let 's say it 's negative ... | now let 's just power through it together . sometimes matrix multiplication can get a little bit intense . we 're now in the second row , so we 're going to use the second row of this first matrix , and for this entry , second row , first column , second row , first column . | how do you know how big the end matrix will be ? |
: let 's say that we have got 2 matrices , and i 'll just , for simplicity , i 'll start with two 2 by 2 matrices . let 's say that this first one right over here is 2 , negative 2 , 5 , and let 's say 5 and 3 , and then i have this matrix right over here that it 's also going to be 2 by 2 . let 's say it 's negative ... | notice , i took the product , first entry in the row , first entry in the column , those two products , then the product of second entry in the row , second entry in the column that 's right over there , and then i added them together . that 's essentially taking the dot product of this row vector and this column vecto... | why is this the convention and not just taking the product of the values within the matrix like we do in addition ? |
: let 's say that we have got 2 matrices , and i 'll just , for simplicity , i 'll start with two 2 by 2 matrices . let 's say that this first one right over here is 2 , negative 2 , 5 , and let 's say 5 and 3 , and then i have this matrix right over here that it 's also going to be 2 by 2 . let 's say it 's negative ... | now let 's just power through it together . sometimes matrix multiplication can get a little bit intense . we 're now in the second row , so we 're going to use the second row of this first matrix , and for this entry , second row , first column , second row , first column . 5 times negative 1 , 5 times negative 1 plus... | does the amount of rows for the first matrix have to be the same as the amount of columns in the second matrix ? |
: let 's say that we have got 2 matrices , and i 'll just , for simplicity , i 'll start with two 2 by 2 matrices . let 's say that this first one right over here is 2 , negative 2 , 5 , and let 's say 5 and 3 , and then i have this matrix right over here that it 's also going to be 2 by 2 . let 's say it 's negative ... | there 's several ways that you could have thought about multiplying two 2 by 2 matrices . you could have done it the same way that you add matrices . when you add matrices , both matrices have to have the same dimensions , and you just add the corresponding entries in the matrices . | is there a way a system of equations can be solved using matrices ? |
: let 's say that we have got 2 matrices , and i 'll just , for simplicity , i 'll start with two 2 by 2 matrices . let 's say that this first one right over here is 2 , negative 2 , 5 , and let 's say 5 and 3 , and then i have this matrix right over here that it 's also going to be 2 by 2 . let 's say it 's negative ... | now let 's just power through it together . sometimes matrix multiplication can get a little bit intense . we 're now in the second row , so we 're going to use the second row of this first matrix , and for this entry , second row , first column , second row , first column . | what is the matrix in real life ? |
: let 's say that we have got 2 matrices , and i 'll just , for simplicity , i 'll start with two 2 by 2 matrices . let 's say that this first one right over here is 2 , negative 2 , 5 , and let 's say 5 and 3 , and then i have this matrix right over here that it 's also going to be 2 by 2 . let 's say it 's negative ... | if the word `` dot product '' makes no sense to you , i will show you what that actually means . actually , let 's get some more real estate here just so i think it will be useful , especially this very first time that we attempt to multiply matrices . this top left entry , it 's going to be 2 times negative 1 , so 2 t... | is there a particular method we follow when determining which rows and columns to multiply ? |
: let 's say that we have got 2 matrices , and i 'll just , for simplicity , i 'll start with two 2 by 2 matrices . let 's say that this first one right over here is 2 , negative 2 , 5 , and let 's say 5 and 3 , and then i have this matrix right over here that it 's also going to be 2 by 2 . let 's say it 's negative ... | you could have done it the same way that you add matrices . when you add matrices , both matrices have to have the same dimensions , and you just add the corresponding entries in the matrices . one convention could have been why do n't we just , for our product right over here , why do n't we just multiply correspondin... | is there dividing matrices possible ? |
: let 's say that we have got 2 matrices , and i 'll just , for simplicity , i 'll start with two 2 by 2 matrices . let 's say that this first one right over here is 2 , negative 2 , 5 , and let 's say 5 and 3 , and then i have this matrix right over here that it 's also going to be 2 by 2 . let 's say it 's negative ... | once again , i want to stress it 's a human construct . there 's several ways that you could have thought about multiplying two 2 by 2 matrices . you could have done it the same way that you add matrices . when you add matrices , both matrices have to have the same dimensions , and you just add the corresponding entrie... | could n't matrices by used to show color in computer programming ? |
: let 's say that we have got 2 matrices , and i 'll just , for simplicity , i 'll start with two 2 by 2 matrices . let 's say that this first one right over here is 2 , negative 2 , 5 , and let 's say 5 and 3 , and then i have this matrix right over here that it 's also going to be 2 by 2 . let 's say it 's negative ... | you could have done it the same way that you add matrices . when you add matrices , both matrices have to have the same dimensions , and you just add the corresponding entries in the matrices . one convention could have been why do n't we just , for our product right over here , why do n't we just multiply correspondin... | why did people invent matrices ? |
: let 's say that we have got 2 matrices , and i 'll just , for simplicity , i 'll start with two 2 by 2 matrices . let 's say that this first one right over here is 2 , negative 2 , 5 , and let 's say 5 and 3 , and then i have this matrix right over here that it 's also going to be 2 by 2 . let 's say it 's negative ... | but i really want to stress this is a human construct . humans have found defining matrix multiplication the way i 'm about to show you to be useful . let 's just think about how this could be . | there are a whole lot of other ways to record data , so in what way are these useful over other data entry methods ? |
: let 's say that we have got 2 matrices , and i 'll just , for simplicity , i 'll start with two 2 by 2 matrices . let 's say that this first one right over here is 2 , negative 2 , 5 , and let 's say 5 and 3 , and then i have this matrix right over here that it 's also going to be 2 by 2 . let 's say it 's negative ... | you could have done it the same way that you add matrices . when you add matrices , both matrices have to have the same dimensions , and you just add the corresponding entries in the matrices . one convention could have been why do n't we just , for our product right over here , why do n't we just multiply correspondin... | can we multiply matrices with different dimension ? |
: let 's say that we have got 2 matrices , and i 'll just , for simplicity , i 'll start with two 2 by 2 matrices . let 's say that this first one right over here is 2 , negative 2 , 5 , and let 's say 5 and 3 , and then i have this matrix right over here that it 's also going to be 2 by 2 . let 's say it 's negative ... | notice , i took the product , first entry in the row , first entry in the column , those two products , then the product of second entry in the row , second entry in the column that 's right over there , and then i added them together . that 's essentially taking the dot product of this row vector and this column vecto... | what is a dot product ? |
: let 's say that we have got 2 matrices , and i 'll just , for simplicity , i 'll start with two 2 by 2 matrices . let 's say that this first one right over here is 2 , negative 2 , 5 , and let 's say 5 and 3 , and then i have this matrix right over here that it 's also going to be 2 by 2 . let 's say it 's negative ... | you could have done it the same way that you add matrices . when you add matrices , both matrices have to have the same dimensions , and you just add the corresponding entries in the matrices . one convention could have been why do n't we just , for our product right over here , why do n't we just multiply correspondin... | how would you multiply matrices with different dimensions ? |
: let 's say that we have got 2 matrices , and i 'll just , for simplicity , i 'll start with two 2 by 2 matrices . let 's say that this first one right over here is 2 , negative 2 , 5 , and let 's say 5 and 3 , and then i have this matrix right over here that it 's also going to be 2 by 2 . let 's say it 's negative ... | you could have done it the same way that you add matrices . when you add matrices , both matrices have to have the same dimensions , and you just add the corresponding entries in the matrices . one convention could have been why do n't we just , for our product right over here , why do n't we just multiply correspondin... | what 's the intuition behind using matrices when we apply them and solve physics problems ? |
: let 's say that we have got 2 matrices , and i 'll just , for simplicity , i 'll start with two 2 by 2 matrices . let 's say that this first one right over here is 2 , negative 2 , 5 , and let 's say 5 and 3 , and then i have this matrix right over here that it 's also going to be 2 by 2 . let 's say it 's negative ... | that makes sense because we 're still in the first row but we 're in the second column of the first row right here . first row , second column . it 's going to be 2 times 4 , 2 times 4 plus negative 2 , plus negative 2 times negative 6 . | when multiplying matrices , does it matter if you use the first matrix 's row and the second matrix 's column , as opposed to using the first matrix 's column and the second matrix 's row ? |
: let 's say that we have got 2 matrices , and i 'll just , for simplicity , i 'll start with two 2 by 2 matrices . let 's say that this first one right over here is 2 , negative 2 , 5 , and let 's say 5 and 3 , and then i have this matrix right over here that it 's also going to be 2 by 2 . let 's say it 's negative ... | i 'm assuming you 've given a go at it . now let 's just power through it together . sometimes matrix multiplication can get a little bit intense . we 're now in the second row , so we 're going to use the second row of this first matrix , and for this entry , second row , first column , second row , first column . | for eg , can we raise a matrix to a power ? |
: let 's say that we have got 2 matrices , and i 'll just , for simplicity , i 'll start with two 2 by 2 matrices . let 's say that this first one right over here is 2 , negative 2 , 5 , and let 's say 5 and 3 , and then i have this matrix right over here that it 's also going to be 2 by 2 . let 's say it 's negative ... | now let 's just power through it together . sometimes matrix multiplication can get a little bit intense . we 're now in the second row , so we 're going to use the second row of this first matrix , and for this entry , second row , first column , second row , first column . | can be divide a matrix by another matrix ? |
: let 's say that we have got 2 matrices , and i 'll just , for simplicity , i 'll start with two 2 by 2 matrices . let 's say that this first one right over here is 2 , negative 2 , 5 , and let 's say 5 and 3 , and then i have this matrix right over here that it 's also going to be 2 by 2 . let 's say it 's negative ... | now let 's just power through it together . sometimes matrix multiplication can get a little bit intense . we 're now in the second row , so we 're going to use the second row of this first matrix , and for this entry , second row , first column , second row , first column . | can we find matrix factorial ? |
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