{"id":"W3124638227","doi":"10.1016/j.jfineco.2016.05.006","title":"Are Friday announcements special? Overcoming selection bias","year":2016,"lang":"en","type":"article","venue":"Journal of Financial Economics","topic":"Financial Markets and Investment Strategies","field":"Economics, Econometrics and Finance","cited_by":89,"is_retracted":false,"has_abstract":false,"ca_institutions":"Simon Fraser University","funders":"","keywords":"Dividend; Earnings; Selection (genetic algorithm); Equity (law); Selection bias; Business; Monetary economics; Economics; Financial economics; Accounting; Finance; Computer science","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0008941611,0.0002173704,0.0006606692,0.0003524532,0.0001469252,0.0001102941,0.0002934524,0.0001609128,0.0004981501],"category_scores_gemma":[0.0006457957,0.000190806,0.0002774095,0.0001581337,0.00008268862,0.001112657,0.00004597698,0.0001759278,0.0002253741],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004758198,"about_ca_system_score_gemma":0.0001514506,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00002426574,"about_ca_topic_score_gemma":0.00006755654,"domain_scores_codex":[0.9979133,0.00001973304,0.001393306,0.0002707653,0.00004454374,0.0003583395],"domain_scores_gemma":[0.9965845,0.00007198832,0.002944995,0.0001712369,0.0001110113,0.0001163006],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"not_applicable","study_design_scores_codex":[0.0002615017,0.0001968381,0.2003414,0.00002661877,0.00008058019,0.00001996031,0.0001344566,0.0001153014,0.0001498132,0.7539472,0.03280247,0.01192382],"study_design_scores_gemma":[0.0013258,0.0002708466,0.2278718,0.00009947573,0.00001037852,0.00002735969,0.00002848715,0.00004723598,0.0002427667,0.1558604,0.613879,0.0003365451],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.962522,0.0004552894,0.001494045,0.001227565,0.003945783,0.0001335302,0.0001661453,0.00001398929,0.03004168],"genre_scores_gemma":[0.9883259,0.001999916,0.001220274,0.001012387,0.006005841,0.000006040179,0.000001647211,0.00004311227,0.001384864],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.5980868,"threshold_uncertainty_score":0.7780842,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.04955208607246064,"score_gpt":0.2175603763225569,"score_spread":0.1680082902500962,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}