{"id":"W2025266604","doi":"10.1111/1540-5982.00119","title":"Divide and conquer: multiple leasing in common pool oil fields","year":2002,"lang":"en","type":"article","venue":"Canadian Journal of Economics/Revue canadienne d économique","topic":"Natural Resources and Economic Development","field":"Economics, Econometrics and Finance","cited_by":6,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Calgary","funders":"","keywords":"Agricultural science; Humanities; Mathematics; Geography; Forestry; Operations management; Economy; Business; Political science; Economics; Art","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":true,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":["metaepi_narrow"],"consensus_categories":[],"category_scores_codex":[0.0007340321,0.0002865943,0.0009221464,0.0009675637,0.0001493046,0.0001971863,0.0004278355,0.0002502382,0.0008017297],"category_scores_gemma":[0.0002228751,0.0003816993,0.0001624279,0.0001166466,0.000129129,0.0005170028,0.00003817209,0.0004901405,0.00008766927],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001561056,"about_ca_system_score_gemma":0.0001683386,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.115945,"about_ca_topic_score_gemma":0.9253275,"domain_scores_codex":[0.9972484,0.00002426192,0.001503879,0.0004246064,0.000001614258,0.0007972224],"domain_scores_gemma":[0.9975309,0.0001737152,0.0007808248,0.0002934494,0.0000361737,0.001184953],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"theoretical_or_conceptual","study_design_scores_codex":[0.00006813366,0.0000436909,0.6210566,0.0001102164,0.0002379865,0.0003532759,0.006206623,0.005630473,0.000003612479,0.3098497,0.00205889,0.05438077],"study_design_scores_gemma":[0.005391553,0.0005062969,0.05239522,0.000402155,0.00003276566,0.001265009,0.001007393,0.04464735,0.00006404359,0.4789106,0.4131915,0.002186185],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9860722,0.003623725,0.00002453537,0.003454604,0.001027063,0.0001061581,0.000135403,0.000005213356,0.005551043],"genre_scores_gemma":[0.9958664,0.001154292,0.0002167536,0.001004967,0.0002734095,0.000008891254,0.00000703154,0.0000437577,0.001424508],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.8093826,"threshold_uncertainty_score":0.9998635,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.140391014695208,"score_gpt":0.1670802507064487,"score_spread":0.02668923601124071,"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."}}