{"id":"W2226954114","doi":"10.22004/ag.econ.155951","title":"On the Number of Bidders and Auction Performance: when More Means Less","year":2013,"lang":"en","type":"preprint","venue":"RePEc: Research Papers in Economics","topic":"Auction Theory and Applications","field":"Decision Sciences","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"Université Laval","funders":"","keywords":"Common value auction; Context (archaeology); Competition (biology); Concurrence; Humanities; Economics; Welfare economics; Microeconomics; Art; Geography","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":true,"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":[0.006191526,0.0003844478,0.0008263915,0.0007031906,0.0009466165,0.002489666,0.001079842,0.001857679,0.008333256],"category_scores_gemma":[0.04306957,0.0002623691,0.0005805018,0.001332059,0.003605959,0.002001532,0.001077883,0.002434486,0.0009869373],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.003103104,"about_ca_system_score_gemma":0.001651481,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.06159821,"about_ca_topic_score_gemma":0.1059485,"domain_scores_codex":[0.9962695,0.001361295,0.0002052142,0.000745658,0.0008570823,0.0005612291],"domain_scores_gemma":[0.85651,0.1035362,0.02351186,0.006355415,0.005457317,0.004629167],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.004040069,0.001221479,0.9081475,0.0003381537,0.0005392942,0.0005297866,0.001721638,0.01299711,0.00817862,0.0131497,0.003401998,0.04573476],"study_design_scores_gemma":[0.00008926618,0.000503895,0.9806461,0.00003709688,0.0001419804,0.0001655131,0.001011512,0.008906198,0.001059566,0.005077222,0.002298658,0.00006288319],"study_design_candidate":"simulation_or_modeling","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9802673,0.0004789223,0.002865972,0.0008711823,0.00001979011,0.00004092617,0.000427326,0.00002914962,0.0149995],"genre_scores_gemma":[0.9979858,0.00008473737,0.0006315005,0.0001035312,0.00002834375,0.000009922323,0.0001572159,0.00001259919,0.0009862173],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.06159821,"threshold_uncertainty_score":0.1224793,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.1164326664834217,"score_gpt":0.4003884639252127,"score_spread":0.283955797441791,"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."}}