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   "estimand": "Effect of FHA streamline-refinance policy changes (employment documentation and out-of-pocket closing costs) on the monthly probability that an FHA loan refinances",
   "strategy": "Event study around the 2009 FHA SLR policy change, then difference-in-differences using conventional loans as controls, then triple differences across county unemployment changes and borrower equity",
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    "Conventional refinancing would have tracked FHA refinancing absent the policy (parallel trends)",
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    "County unemployment changes proxy for the likelihood that a borrower is unemployed",
    "The two policy channels affect observably distinct borrower groups"
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    "Timing of effects (flexible month-by-month estimates)",
    "Confounding between the employment-documentation and closing-cost channels (positive-equity subsample, flexible equity controls)",
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   "statistical_significance_language": "unclear",
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  "robustness": {
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  "tables": {
   "convention_notes": "Notes state the sample, the outcome (monthly refinance indicator) and that each column is a separate regression; summary statistics report means with standard deviations in parentheses. The table progression runs from the policy rules to descriptives, then event study, DiD and triple-difference estimates.",
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  "conclusion": {
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    "scope disclaimers (beyond the scope of this paper)"
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  "claim_evidence": [
   {
    "claim": "The FHA policy change sharply reduced FHA refinancing relative to conventional loans, by about 0.7 pp per month, over half the baseline rate",
    "evidence_type": "table",
    "evidence_ref": "Table IV"
   },
   {
    "claim": "FHA refinancing fell discretely at the policy date while conventional refinancing showed no break",
    "evidence_type": "figure",
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   },
   {
    "claim": "A one pp higher county unemployment change lowers post-policy monthly FHA refinancing by about 0.05 pp",
    "evidence_type": "table",
    "evidence_ref": "Table V"
   },
   {
    "claim": "Borrowers newly facing out-of-pocket closing costs reduced refinancing more",
    "evidence_type": "table",
    "evidence_ref": "Table VI"
   },
   {
    "claim": "Event study estimates show a large post-policy drop in FHA refinancing",
    "evidence_type": "table",
    "evidence_ref": "Table III"
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  "structural_summary": "The paper motivates household refinancing frictions as impediments to recession policy and identifies two overlooked frictions. It describes the institutional details of the FHA streamline program, then the data. Combined policy effects are estimated via an event study and a DiD with conventional loans as controls, plus flexible timing checks and a cost-of-not-refinancing calculation. A mechanisms section uses triple differences to separate the unemployment and closing-cost channels, interprets magnitudes and aggregate effects, and distinguishes optimality from liquidity. The conclusion draws distributional and monetary-policy implications and notes limits of scope.",
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   "policy natural experiment",
   "layered identification",
   "event study to DiD to triple difference",
   "monetary policy pass-through",
   "distributional implications",
   "mechanism decomposition"
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  "confidence": 0.82,
  "notes": "Section I is institutional background, labeled 'other' rather than literature. The Mechanisms section (labeled robustness by the rule) is treated as results. Standard error type is not visible in the excerpts."
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