{"id":"W4387414891","doi":"10.2139/ssrn.4592958","title":"Do Search Engines Increase Concentration in Media Markets?","year":2023,"lang":"en","type":"article","venue":"SSRN Electronic Journal","topic":"Media Influence and Politics","field":"Social Sciences","cited_by":4,"is_retracted":false,"has_abstract":false,"ca_institutions":"Queen's University","funders":"","keywords":"Business; Economics","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":[0.001557689,0.0002694339,0.0006038098,0.001495233,0.0007698837,0.00419035,0.0005265084,0.002184249,0.02565018],"category_scores_gemma":[0.02468191,0.0003691965,0.0004457864,0.001693499,0.001076114,0.004871299,0.0009624963,0.000763592,0.002585729],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0007515161,"about_ca_system_score_gemma":0.0008187544,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.004611783,"about_ca_topic_score_gemma":0.006193228,"domain_scores_codex":[0.9988307,0.0004916711,0.00004316598,0.0001369408,0.0001917629,0.0003056681],"domain_scores_gemma":[0.9716068,0.01839287,0.00566319,0.0007067379,0.00130475,0.002325591],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.008250483,0.005597333,0.7691016,0.001013459,0.001311764,0.0009202205,0.005235231,0.002553705,0.009405994,0.0425122,0.02743177,0.1266662],"study_design_scores_gemma":[0.0008763937,0.00133859,0.9303824,0.0001928597,0.0008841189,0.0002523283,0.008541406,0.004620139,0.005211093,0.02849661,0.01913419,0.00006978622],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9433349,0.002243385,0.0003490827,0.008664406,0.0001110573,0.00002453941,0.0003542966,0.00005667335,0.04486151],"genre_scores_gemma":[0.9953017,0.0005305858,0.00008697117,0.0006329922,0.0001804664,0.00001132754,0.00007258527,0.00001995438,0.003163326],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.02565018,"threshold_uncertainty_score":0.0858084,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02069093112188008,"score_gpt":0.3240212497708036,"score_spread":0.3033303186489235,"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."}}