{"id":"W2073385016","doi":"10.3386/w15536","title":"Urban Economics and Entrepreneurship","year":2009,"lang":"en","type":"report","venue":"National Bureau of Economic Research","topic":"Regional Economics and Spatial Analysis","field":"Economics, Econometrics and Finance","cited_by":30,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Toronto","funders":"Social Sciences and Humanities Research Council of Canada; Ewing Marion Kauffman Foundation","keywords":"Entrepreneurship; Urban economics; Economic geography; Economics; Geography; Microeconomics; Finance","routes":{"ca_aff":true,"ca_fund":true,"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":[0.0006553786,0.0002986322,0.0003843357,0.001379604,0.001148904,0.002584915,0.0003144631,0.0009127259,0.01131689],"category_scores_gemma":[0.001951415,0.0001369082,0.0001992367,0.002974357,0.003024016,0.001851616,0.001877249,0.0009607459,0.001248474],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001383147,"about_ca_system_score_gemma":0.001178821,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.003951731,"about_ca_topic_score_gemma":0.006457166,"domain_scores_codex":[0.9994111,0.0002830048,0.00002214083,0.00006311555,0.0001177457,0.00010292],"domain_scores_gemma":[0.9991666,0.0003928106,0.0001182265,0.00007172389,0.0001382113,0.0001123815],"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":[0.000007489581,0.00002505837,0.004162958,0.0001123012,0.00001155625,0.0001091193,0.0006398595,0.001551297,0.00003263089,0.9262792,0.02084431,0.04622415],"study_design_scores_gemma":[0.0000075649,0.00002774302,0.01001425,0.00029122,0.000007488598,0.0002356368,0.002640503,0.001023302,0.00006582502,0.6821196,0.3035548,0.0000120908],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"other","genre_gemma":"empirical","genre_scores_codex":[0.06150082,0.07350487,0.01522853,0.06951233,0.001311805,0.00007651543,0.0007145686,0.0001028542,0.7780478],"genre_scores_gemma":[0.8720531,0.05950391,0.003183159,0.002921079,0.001224946,0.00005553339,0.0003397517,0.00004194499,0.0606766],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.01131689,"threshold_uncertainty_score":0.03785878,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.3263854417386854,"score_gpt":0.4250012040997901,"score_spread":0.09861576236110464,"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."}}