{"id":"W3123000386","doi":"10.1162/rest_a_00729","title":"The World Is Not Yet Flat: Transport Costs Matter!","year":2018,"lang":"en","type":"preprint","venue":"The Review of Economics and Statistics","topic":"Transport and Economic Policies","field":"Business, Management and Accounting","cited_by":1,"is_retracted":false,"has_abstract":true,"ca_institutions":"Statistics Canada; Université du Québec à Montréal","funders":"","keywords":"Commodity; Economic geography; Construct (python library); Geographic variation; Business; Location; Industrial organization; Agricultural economics; Economics; Natural resource economics; Geography; Demography; Finance; Geodesy","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":[0.0007305532,0.0002819465,0.0006422369,0.00006023397,0.0002176246,0.0001587825,0.0005535054,0.00006246698,0.0004363032],"category_scores_gemma":[0.00001390684,0.0001843247,0.000147344,0.00004818274,0.0003236075,0.000103747,0.0001972368,0.0002174845,0.0002146891],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00002937473,"about_ca_system_score_gemma":0.00005087284,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0006256016,"about_ca_topic_score_gemma":0.001833645,"domain_scores_codex":[0.9985822,0.000007992383,0.0008359657,0.0002715935,0.00004844729,0.0002537736],"domain_scores_gemma":[0.9983833,0.0001432973,0.0007865349,0.0005921394,0.00007747757,0.00001719287],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"not_applicable","study_design_scores_codex":[0.00007456884,0.00003303885,0.009027871,0.02459181,0.0005122229,0.00000209188,0.0001663651,0.00004112156,7.846872e-7,0.4847139,0.4403053,0.04053095],"study_design_scores_gemma":[0.0001481037,0.000004472494,0.01455352,0.002357014,0.0004348696,0.000001235003,0.00001497027,0.001390037,0.000004773779,0.02832234,0.9524432,0.0003254309],"study_design_candidate":"not_applicable","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"review","genre_scores_codex":[0.4057332,0.1902379,0.001946776,0.1023356,0.01278499,0.007771314,0.01629875,0.0001764381,0.2627151],"genre_scores_gemma":[0.1044047,0.8469577,0.001219008,0.03929133,0.002189971,0.0001041513,0.0007397552,0.0001376264,0.004955689],"genre_candidate":"review","genre_consensus":null,"teacher_disagreement_score":0.6567199,"threshold_uncertainty_score":0.7516542,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02511032439686835,"score_gpt":0.2447210333315385,"score_spread":0.2196107089346701,"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."}}