1{2 "task_id": "F1-conf-03",3 "n_analysed": 1800,4 "n_firms": 300,5 "predictors_used": [6 "leverage",7 "cash_ratio",8 "log_sales"9 ],10 "variables_excluded": [11 {12 "variable": "rating_2025",13 "reason": "Final-vintage field assigned in 2025 using the firm's complete realised default history through 2022 and sample-average leverage; not known at end of origin year t (look-ahead / outcome leakage). Dropped from the analytic dataset."14 }15 ],16 "beta_leverage": 0.2637836102938267,17 "se_leverage_cluster": 0.0407569280434615,18 "r2": 0.03490564212216729,19 "default_rate": 0.12111111111111111,20 "feasibility": "complete",21 "feasibility_reason": null,22 "data_issues": [23 {24 "issue": "rating_2025 is a final-vintage (2025) field derived from realised defaults through 2022 (in the raw file only D-rated firms ever default) - look-ahead leakage",25 "handling": "excluded from predictors and from out/analytic.csv"26 },27 {28 "issue": "40 exact duplicate rows (40 duplicated firm_id-year keys; all duplicates identical on every column); file has 2140 rows vs 300 firms x 7 years = 2100 intended",29 "handling": "kept the first occurrence of each duplicated row; after de-duplication every firm has exactly 7 years"30 },31 {32 "issue": "300 unique firm-years have unobserved default_next (origin years [2022]: outcome year 2023 after the data cut)",33 "handling": "excluded from estimation; outcomes not imputed"34 },35 {36 "issue": "leverage has a mass point of 54 analysed rows at its minimum 0.02 (apparent floor/censoring in the simulated data)",37 "handling": "kept as recorded; noted as limitation (values are within the valid [0,1] range)"38 }39 ],40 "n_input_rows": {41 "firm_panel.csv": 214042 },43 "random_seed": null,44 "ci95_leverage_cluster": [45 0.18390149920815163,46 0.3436657213795017447 ],48 "coef_all": {49 "const": 0.08997926409935522,50 "leverage": 0.2637836102938267,51 "cash_ratio": -0.18594837465723182,52 "log_sales": -0.00734218180758136353 },54 "se_cluster_all": {55 "const": 0.04351602070943679,56 "leverage": 0.0407569280434615,57 "cash_ratio": 0.0588860837664576,58 "log_sales": 0.00762610651453190559 },60 "baseline_beta_leverage_bivariate": 0.2665733756507353,61 "se_leverage_nonrobust": 0.035820571091069786,62 "input_sha256": "a1f1af88b1ab05900155991f2468cce09695af978923e5bc3ef9c28d45683b6f"63}