{"id":"W2070130611","doi":"10.1002/jae.1085","title":"Semiparametric estimation of consumer demand systems in real expenditure","year":2009,"lang":"en","type":"article","venue":"Journal of Applied Econometrics","topic":"Economics of Agriculture and Food Markets","field":"Economics, Econometrics and Finance","cited_by":21,"is_retracted":false,"has_abstract":true,"ca_institutions":"Simon Fraser University","funders":"","keywords":"Economics; Econometrics; Nonparametric statistics; Engel curve; Microdata (statistics); Parametric statistics; Semiparametric model; Demand curve; Curvature; Mathematics; Microeconomics; Price index; Statistics","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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.001659288,0.0002157742,0.00108031,0.002971798,0.0000355819,0.00008615625,0.0003889088,0.0002506161,0.00005492902],"category_scores_gemma":[0.0001740634,0.0002200366,0.0001959817,0.001406704,0.00003768061,0.000455715,0.0000282423,0.0003395459,0.00005121877],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002584277,"about_ca_system_score_gemma":0.0000396634,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00002924389,"about_ca_topic_score_gemma":0.000003173228,"domain_scores_codex":[0.997121,0.00001196265,0.002211724,0.0002884144,0.00006810352,0.0002988216],"domain_scores_gemma":[0.996766,0.0002387094,0.002520564,0.0002606552,0.00006902883,0.0001450394],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"observational","study_design_scores_codex":[0.0007972939,0.001998904,0.07250985,0.0003935103,0.0006774212,0.0000543506,0.001819553,0.1684692,0.0002946722,0.7050473,0.0157023,0.03223565],"study_design_scores_gemma":[0.01316589,0.002661093,0.688166,0.0002880511,0.0001828574,0.0002855444,0.001975177,0.02088735,0.001564396,0.2315726,0.03658076,0.002670332],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.907532,0.01266021,0.001286802,0.0001227241,0.0006833891,0.0003336052,0.00005168098,0.00001248347,0.07731712],"genre_scores_gemma":[0.993804,0.003984177,0.001928456,0.0000729884,0.000138425,0.000004327714,0.000009357923,0.0000144689,0.00004375508],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.6156561,"threshold_uncertainty_score":0.8972834,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02330024147572,"score_gpt":0.216968066283141,"score_spread":0.193667824807421,"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."}}