{"id":"W2153734407","doi":"10.1287/mksc.1060.0214","title":"Investigating Consumers’ Purchase Incidence and Brand Choice Decisions Across Multiple Product Categories: A Theoretical and Empirical Analysis","year":2007,"lang":"en","type":"article","venue":"Marketing Science","topic":"Consumer Market Behavior and Pricing","field":"Business, Management and Accounting","cited_by":96,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Toronto","funders":"","keywords":"Portfolio; Product (mathematics); Flexibility (engineering); Econometrics; Product category; Marketing; Economics; Business; Mathematics; Statistics","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":[0.005563046,0.0005446697,0.001337074,0.002479374,0.0009437154,0.002541187,0.001822493,0.001555897,0.009511342],"category_scores_gemma":[0.02172406,0.000802011,0.001722871,0.004176249,0.00216227,0.004276898,0.002245352,0.002036928,0.0004922117],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.002188317,"about_ca_system_score_gemma":0.001023602,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.01125321,"about_ca_topic_score_gemma":0.007052947,"domain_scores_codex":[0.9977152,0.001063913,0.000096009,0.000424531,0.0004446945,0.0002556331],"domain_scores_gemma":[0.9784935,0.01630178,0.002801808,0.001306651,0.0007224879,0.0003737987],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.000498603,0.001751991,0.6235664,0.0003539626,0.0006794434,0.0004609636,0.003042351,0.07580604,0.001530671,0.1809662,0.001715486,0.1096279],"study_design_scores_gemma":[0.0001190662,0.0006273238,0.3237002,0.000135672,0.0004963294,0.0006970756,0.004621453,0.4687864,0.001311653,0.1957537,0.003592696,0.0001583381],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9439963,0.0005076037,0.04902185,0.0008860157,0.000009789647,0.0001511967,0.0003632486,0.00004423961,0.005019743],"genre_scores_gemma":[0.9887964,0.0002616794,0.009462467,0.00006588328,0.00001599439,0.0001313128,0.0003062208,0.000007821883,0.0009523095],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01125321,"threshold_uncertainty_score":0.03181863,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02901781902836841,"score_gpt":0.323415535931023,"score_spread":0.2943977169026545,"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."}}