{"id":"W3040522539","doi":"10.5267/j.ac.2020.5.005","title":"Efficient market hypothesis and calendar effects: Empirical evidences from the Vietnam stock markets","year":2020,"lang":"en","type":"article","venue":"Accounting","topic":"Financial Markets and Investment Strategies","field":"Economics, Econometrics and Finance","cited_by":7,"is_retracted":false,"has_abstract":false,"ca_institutions":"","funders":"","keywords":"Stock market; Efficient-market hypothesis; Financial economics; Stock (firearms); Economics; Business; Econometrics; Geography","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":true,"about_ca":false,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0008134316,0.0001904297,0.0003465217,0.00003670384,0.0002828707,0.0001874182,0.0002855253,0.00008624273,0.0004142337],"category_scores_gemma":[0.002176141,0.0001532309,0.00008121171,0.0002579569,0.0001212905,0.0001763906,0.0001487056,0.000188506,0.000122442],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0000281092,"about_ca_system_score_gemma":0.00002306947,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0001483204,"about_ca_topic_score_gemma":0.0000103784,"domain_scores_codex":[0.9986296,0.00006317231,0.0004550563,0.0004838108,0.00007091877,0.0002974051],"domain_scores_gemma":[0.9982119,0.001214248,0.0002626589,0.000209177,0.0000233852,0.00007862833],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001139143,0.00005866857,0.8942864,0.0001543643,0.0001068314,0.00001344576,0.001640055,0.00002394683,0.00004627938,0.005441029,0.08173203,0.01638304],"study_design_scores_gemma":[0.0003345241,0.00005763751,0.9010012,0.00008124262,0.00001990215,0.0000012048,0.0002738356,0.03105247,0.00001801369,0.005455623,0.06139823,0.0003061181],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9680266,0.008753666,0.0001593446,0.01012365,0.0003126078,0.000322367,0.000158234,0.0000568317,0.01208668],"genre_scores_gemma":[0.9930311,0.0002773539,0.0004845804,0.00570723,0.0003720384,0.00002821864,0.000002236932,0.00002200002,0.0000752571],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.03102852,"threshold_uncertainty_score":0.6248574,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0460449546297309,"score_gpt":0.2283262752621144,"score_spread":0.1822813206323834,"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."}}