{"id":"W2130173294","doi":"","title":"Gravity with gravitas: comment","year":2008,"lang":"en","type":"preprint","venue":"RePEc: Research Papers in Economics","topic":"Global trade and economics","field":"Economics, Econometrics and Finance","cited_by":2,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Border effect; Gravity equation; Gravity model of trade; Econometrics; Econometric model; Mathematics; Linear approximation; Bilateral trade; Economics; Geography; International economics; Physics; Nonlinear system","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.009733774,0.001475214,0.001262319,0.001390311,0.004601864,0.005005929,0.007540918,0.02413646,0.02460804],"category_scores_gemma":[0.04296506,0.0006064944,0.002044156,0.002400801,0.01918399,0.01717244,0.006248622,0.03034547,0.009847057],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.004365755,"about_ca_system_score_gemma":0.00409496,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.04290605,"about_ca_topic_score_gemma":0.01950001,"domain_scores_codex":[0.9924656,0.001763516,0.0005629213,0.002425496,0.002146259,0.0006361539],"domain_scores_gemma":[0.9774058,0.01365659,0.001398733,0.002257264,0.004528275,0.0007532704],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"not_applicable","study_design_gemma":"not_applicable","study_design_scores_codex":[0.00004611086,0.00001943536,0.001225905,0.0001808922,0.00002941547,0.0002962285,0.001296801,0.0002731024,0.0001191814,0.2874818,0.7017376,0.007293374],"study_design_scores_gemma":[0.00007965741,0.00003983545,0.002498569,0.0003889007,0.00003124222,0.0009313384,0.002157358,0.001127461,0.0005891468,0.2770203,0.7149931,0.0001431362],"study_design_candidate":"not_applicable","study_design_consensus":"not_applicable","genre_codex":"commentary","genre_gemma":"commentary","genre_scores_codex":[0.001030648,0.002629319,0.001574619,0.9767929,0.007259326,0.00001284991,0.0002989866,0.0001245549,0.01027665],"genre_scores_gemma":[0.04855213,0.004427441,0.002377097,0.9038793,0.02618357,0.00007851323,0.0001791896,0.0001856742,0.01413717],"genre_candidate":"commentary","genre_consensus":"commentary","teacher_disagreement_score":0.04290605,"threshold_uncertainty_score":0.0853126,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.08103524619151141,"score_gpt":0.2818112220174706,"score_spread":0.2007759758259592,"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."}}