1{2 "task_id": "F6-conf-03",3 "feasibility": "complete",4 "feasibility_reason": null,5 "data_issues": [6 {7 "issue": "UNRATE missing value(s) for month(s) ['2025-10-01']",8 "handling": "Quarter containing a missing month is not averaged (set missing); all such months lie outside the 1959Q4-2019Q4 window, so no effect on estimates."9 },10 {11 "issue": "GDPC1 is the current (2026) vintage and extends to 2026Q3; UNRATE extends to 2026-09",12 "handling": "Observations after 2019Q4 dropped before estimation (exclusion step 3); revised (not real-time) GDP is used, consistent with an ex-post descriptive estimand."13 }14 ],15 "n_input_rows": {16 "GDPC1.csv": 319,17 "UNRATE.csv": 94518 },19 "n_analysed": 240,20 "random_seed": null,21 "sample_start": "1960-01-01",22 "sample_end": "2019-10-01",23 "n_sub1": 96,24 "n_sub2": 144,25 "baseline_metric": 0.32465793964999184,26 "model_metric": 0.2497438816636253,27 "effect_estimate": -0.2557677277487258,28 "intercept": 0.18438835418210714,29 "effect_se": 0.03598488399675878,30 "hac_lags": 4,31 "effect_ci_low": -0.3262968043702248,32 "effect_ci_high": -0.18523865112722682,33 "beta_sub1": -0.25902105345680587,34 "beta_sub2": -0.27339263306757905,35 "chow_f_stat": 6.0903330062337675,36 "chow_p_value": 0.002636323851733417,37 "stability_conclusion": "unstable",38 "conclusion": "negative_effect",39 "intercept_sub1": 0.2542326539884382,40 "intercept_sub2": 0.15168581347724602,41 "beta_sub1_hac_se": 0.03970255328838903,42 "beta_sub2_hac_se": 0.06879369233083424,43 "effect_se_ols_classical": 0.01996009291490984,44 "effect_se_hac_by_lag": {45 "0": 0.028957130333809637,46 "2": 0.034370831642247524,47 "4": 0.03598488399675878,48 "8": 0.03729120927832667,49 "12": 0.0365615094284336150 },51 "r_squared": 0.4082508284562034,52 "chow_df": [53 2,54 23655 ],56 "ssr_pooled": 14.96928154281957,57 "ssr_unrestricted": 14.23459168220601,58 "hac_wald_joint_equality_p": 0.004644584888844005,59 "hac_wald_slope_equality_p": 0.8548271295127583,60 "hac_wald_intercept_equality_p": 0.2539549178567923,61 "resid_var_sub1": 0.07850312611325812,62 "resid_var_sub2": 0.04827674526450526,63 "growth_for_stable_u_sub1": 0.9815134738876885,64 "growth_for_stable_u_sub2": 0.554827728074703865}