{"id":"W3123817878","doi":"","title":"Cars, Congestion and Costs: A New Approach to Evaluating Government Infrastructure Investment","year":2013,"lang":"en","type":"article","venue":"C.D. Howe Institute Commentary","topic":"Canadian Policy and Governance","field":"Social Sciences","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Externality; Subsidy; Investment (military); Public economics; Social cost; Traffic congestion; Business; Cost–benefit analysis; Government (linguistics); Economic cost; Economics; Microeconomics; Politics; Transport engineering; Market economy","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":[0.004840421,0.001843905,0.001305933,0.008274564,0.001784539,0.009469889,0.002614727,0.003354115,0.00669457],"category_scores_gemma":[0.02251665,0.000495445,0.001985835,0.009112603,0.004493878,0.006273413,0.002322491,0.004135378,0.0004181831],"about_ca_system_candidate":true,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0291544,"about_ca_system_score_gemma":0.01319532,"about_ca_topic_candidate":true,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.2730236,"about_ca_topic_score_gemma":0.2843917,"domain_scores_codex":[0.9912697,0.00433014,0.0003593149,0.0004969001,0.002875445,0.0006685574],"domain_scores_gemma":[0.9897388,0.005410919,0.000692987,0.0004203868,0.00337252,0.0003644993],"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":[0.00009968231,0.0001193809,0.0117942,0.0003879281,0.0002272541,0.0002269517,0.001442518,0.09432624,0.0002065211,0.7916973,0.02972317,0.06974883],"study_design_scores_gemma":[0.0000662363,0.0004049386,0.01739807,0.001381968,0.0003968698,0.0002512022,0.008523037,0.1995491,0.0006009706,0.5596583,0.2114098,0.0003595209],"study_design_candidate":"not_applicable","study_design_consensus":null,"genre_codex":"other","genre_gemma":"commentary","genre_scores_codex":[0.1085178,0.02015844,0.3260417,0.05370218,0.004590899,0.001316276,0.006558728,0.0003540405,0.4787599],"genre_scores_gemma":[0.905956,0.01068565,0.0568073,0.001918547,0.001306122,0.0006473046,0.0009014136,0.0001474362,0.02163026],"genre_candidate":"commentary","genre_consensus":null,"teacher_disagreement_score":0.9708456,"threshold_uncertainty_score":0.5428689,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03349168356927916,"score_gpt":0.3009795558007248,"score_spread":0.2674878722314456,"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."}}