{"id":"W3108239912","doi":"10.1016/j.frl.2020.101872","title":"Stock Return and the COVID-19 pandemic: Evidence from Canada and the US","year":2020,"lang":"en","type":"article","venue":"Finance research letters","topic":"COVID-19 Pandemic Impacts","field":"Economics, Econometrics and Finance","cited_by":178,"is_retracted":false,"has_abstract":false,"ca_institutions":"","funders":"","keywords":"Coronavirus disease 2019 (COVID-19); Pandemic; Stock (firearms); Stock market; Economics; Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2); 2019-20 coronavirus outbreak; Financial economics; Econometrics; Monetary economics; Geography; Medicine; Internal medicine; Virology","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0011861,0.0002688115,0.0004236066,0.001709464,0.002189821,0.003814307,0.0009741607,0.00126345,0.004165405],"category_scores_gemma":[0.00825323,0.0002258423,0.0004791522,0.005911778,0.001549774,0.0009875859,0.00101479,0.001897715,0.0002834125],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.02702328,"about_ca_system_score_gemma":0.04220748,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9961872,"about_ca_topic_score_gemma":0.9969189,"domain_scores_codex":[0.9991261,0.00006862578,0.00003387588,0.00005401901,0.0003940454,0.0003234052],"domain_scores_gemma":[0.9914004,0.001181884,0.001555693,0.000194965,0.004148511,0.001518667],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0005445173,0.0002014311,0.9299946,0.0001395264,0.0002653588,0.0004451623,0.001734534,0.002015117,0.0001191912,0.006424539,0.037072,0.021044],"study_design_scores_gemma":[0.0000528769,0.00004756877,0.9673908,0.0001895672,0.000157741,0.00005890766,0.006530093,0.001389844,0.0001507787,0.0009141552,0.02306391,0.00005370533],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.921554,0.01141505,0.0001548104,0.02735058,0.000138732,0.00005465027,0.01417071,0.00002027643,0.02514102],"genre_scores_gemma":[0.9766083,0.01049644,0.0001000941,0.001871613,0.00009518321,0.0000100964,0.006045267,0.0000115952,0.004761379],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.02702328,"threshold_uncertainty_score":0.1960685,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.1965624435837505,"score_gpt":0.3351018005992058,"score_spread":0.1385393570154553,"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."}}