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    "benchmark_tob": false,
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    "description": "Age, Social Security, taxable payroll, and TOB using positive entropy calibration under the long-run core-threshold tax assumption.",
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    "name": "ss-payroll-tob",
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    "baseline_kind": "current_law_comparator",
    "description": "2025 Trustees current-law baseline used by the legacy long-term calibration stack.",
    "file": "trustees_2025_current_law.csv",
    "name": "trustees_2025_current_law",
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    "notes": [
      "Generated from social_security_aux.csv for explicit source selection."
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    "sha256": "e059aa9fba806b260a399b8a6a18b892a6363ba12ee00fe21ab109d09dff0ec4",
    "source_urls": [
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    "description": "Best-public Trustees tax-side approximation: keep Social Security benefit-tax thresholds fixed, but wage-index all federal income tax parameters that otherwise use IRS CPI uprating after 2034 using the active NAWI path.",
    "economic_assumption": "trustees-2025-nawi-v1",
    "end_year": 2100,
    "income_uprating_assumption": "trustees-2025-soi-income-nawi-v1",
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    "not_default_current_law": true,
    "parameter_groups": [
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    "projection_base_year": 2026,
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    "start_year": 2035,
    "uprating_parameter": "gov.irs.uprating"
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  "year": 2028
}