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   "estimand": "Effect of an exogenous rise in the relative cost of very short-term bank debt on firms' short-term borrowing, cash, trade credit, and investment, and how this effect differs with industry access to trade credit",
   "strategy": "Difference-in-differences around Colombia's 2011 BAD tax change. Treated firms are those in the top quintile of pre-2011 very short-term debt use; the bottom two quintiles are controls. Matching is applied, the sample is restricted to firms above a sales threshold, and a triple interaction uses industry trade-credit access measured from U.S. Compustat firms.",
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    "Treated and control firms would have followed parallel trends absent the tax change",
    "The tax shock affects very short-term bank credit without spilling over into banks' long-term credit role or into investment opportunities",
    "Trade-credit access measured from U.S. Compustat firms captures inherent industry access in Colombia"
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   "threats_addressed": [
    "Pre-trend differences, examined with year-coefficient plots",
    "Confounds from broad credit shocks such as the financial crisis",
    "Tax avoidance behavior",
    "Covariate imbalance, addressed with a matched sample"
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   "convention_notes": "Each regression table note restates the difference-in-differences setup: the Treatment × Post 2011 interaction of interest, how treatment and control groups are defined, and outcomes scaled by beginning-of-year assets. Table I compares prematch and postmatch samples.",
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   {
    "claim": "Exposed firms sharply reduce very short-term bank borrowing after the 2011 tax change",
    "evidence_type": "table",
    "evidence_ref": "Table II; Figure 6"
   },
   {
    "claim": "Exposed firms increase both cash and net accounts payable",
    "evidence_type": "table",
    "evidence_ref": "Tables III, IV"
   },
   {
    "claim": "Some treated firms cut capital expenditures, R&D, and inventory investment",
    "evidence_type": "table",
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   {
    "claim": "In high trade-credit-access industries, firms substitute into payables with no change in cash or investment; in low-access industries, cash rises and investment falls",
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   {
    "claim": "The tax raised the cost of short-maturity loans more than that of long-maturity loans",
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    "evidence_ref": "Figure 2"
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  "structural_summary": "The paper opens with a broad question about how firms manage liquidity and previews the findings. It then sketches a two-regime tax mechanism and positions itself against the trade-credit and bank-liquidity literatures inside the introduction. A dedicated institutional section explains why the Colombian BAD tax provides a clean shock. One combined section covers design, data, and four numbered results, ending with heterogeneity by industry trade-credit access. A short conclusion restates the contribution and acknowledges external validity limits.",
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