{"id":"W4244728602","doi":"10.2139/ssrn.1107203","title":"Do Underwriters Have an Information Advantage? Evidence from Institutional Investor Holdings Around IPO-Related Securities Class Action Announcements","year":2008,"lang":"en","type":"article","venue":"SSRN Electronic Journal","topic":"Corporate Finance and Governance","field":"Business, Management and Accounting","cited_by":0,"is_retracted":false,"has_abstract":false,"ca_institutions":"Concordia University; Brock University","funders":"","keywords":"Initial public offering; Underwriting; Class action; Business; Investment banking; Monetary economics; Class (philosophy); Action (physics); Institutional investor; Financial system; Finance; Accounting; Economics; Corporate governance; 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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.001716453,0.0001549609,0.0002397042,0.001041522,0.0004655922,0.001682698,0.0005808026,0.001253981,0.00699542],"category_scores_gemma":[0.01645797,0.00021504,0.0002123052,0.001266325,0.0008638823,0.001604442,0.0008531128,0.000820781,0.000787557],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003047946,"about_ca_system_score_gemma":0.0002573691,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00634173,"about_ca_topic_score_gemma":0.007664188,"domain_scores_codex":[0.9993821,0.0001419372,0.00005820877,0.0001089041,0.0001230226,0.0001856752],"domain_scores_gemma":[0.9406688,0.01769308,0.03543569,0.001824524,0.001752366,0.002625527],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.001193202,0.000248515,0.9872642,0.00003789689,0.00009945243,0.0002796489,0.0007893639,0.00005570275,0.0007114963,0.000530265,0.001004057,0.007786303],"study_design_scores_gemma":[0.00005614482,0.0001605293,0.996007,0.00001682152,0.00009634461,0.000104785,0.001660981,0.0001011232,0.0003808197,0.0003050994,0.00110371,0.000006559485],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9960654,0.0002467684,0.00003686869,0.0007550674,0.000009208684,0.000004187057,0.0001987535,0.000002066203,0.002681597],"genre_scores_gemma":[0.9990572,0.0001944253,0.00002308715,0.0001236921,0.00005007369,0.00000172075,0.0001726823,0.000001564298,0.0003755172],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.00699542,"threshold_uncertainty_score":0.02340198,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03565988441355129,"score_gpt":0.2433759547949502,"score_spread":0.2077160703813989,"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."}}