{"id":"W3117078653","doi":"10.2139/ssrn.3753779","title":"Digital Platforms' Information Concentration: From Keystone Players to Gatekeepers","year":2020,"lang":"en","type":"article","venue":"SSRN Electronic Journal","topic":"Digital Platforms and Economics","field":"Business, Management and Accounting","cited_by":3,"is_retracted":false,"has_abstract":false,"ca_institutions":"HEC Montréal; Center for Interuniversity Research and Analysis on Organizations","funders":"","keywords":"Competition (biology); Industrial organization; Information asymmetry; Business; Market power; Bargaining power; Economics; Free riding; Microeconomics; Incentive","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":[0.001710343,0.0003409523,0.000400965,0.002039958,0.001734008,0.01015105,0.0009512265,0.001968105,0.01735786],"category_scores_gemma":[0.02119713,0.0003810757,0.000208908,0.002238601,0.004614281,0.01317267,0.004225723,0.001673451,0.001404929],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.002538451,"about_ca_system_score_gemma":0.001820036,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0043689,"about_ca_topic_score_gemma":0.003719374,"domain_scores_codex":[0.9986467,0.0003854992,0.00005037108,0.0002615846,0.0003172125,0.0003385793],"domain_scores_gemma":[0.9806848,0.01306931,0.002567476,0.0005862196,0.001612513,0.001479695],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"theoretical_or_conceptual","study_design_scores_codex":[0.001538367,0.000597994,0.1553215,0.0004321897,0.0001242593,0.0008362327,0.02295505,0.003180282,0.003766914,0.6409107,0.01449229,0.1558442],"study_design_scores_gemma":[0.0002829518,0.0009289833,0.2368185,0.0007836489,0.000361747,0.0007378766,0.088075,0.01943157,0.01205249,0.5828616,0.05740711,0.000258472],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.7666738,0.001642117,0.005464714,0.009218928,0.0000754388,0.00005785937,0.0002277707,0.00007946291,0.21656],"genre_scores_gemma":[0.9957078,0.0002240346,0.0002258771,0.0001845787,0.00002629856,0.000009909761,0.00001856932,0.000009707382,0.003593253],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01735786,"threshold_uncertainty_score":0.0580678,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.00844252227360883,"score_gpt":0.1736403569812068,"score_spread":0.165197834707598,"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."}}