{"id":"W1998577083","doi":"10.1016/j.jpubeco.2004.02.001","title":"Volunteering a public service: an experimental investigation","year":2004,"lang":"en","type":"article","venue":"Journal of Public Economics","topic":"Experimental Behavioral Economics Studies","field":"Social Sciences","cited_by":19,"is_retracted":false,"has_abstract":false,"ca_institutions":"McMaster University; University of New Brunswick","funders":"McMaster University; Social Sciences and Humanities Research Council of Canada; Ecolab","keywords":"Subgame perfect equilibrium; Public good; Economics; Microeconomics; Subgame; Attrition; Perfection; Stochastic game; Nash equilibrium; Mathematical economics; Game theory; Repeated game; Equilibrium selection","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":[0.01549829,0.001498937,0.001736909,0.001026409,0.003157092,0.002995071,0.002665292,0.005149849,0.01452496],"category_scores_gemma":[0.05785431,0.001091035,0.00107211,0.0009350628,0.005194464,0.003237471,0.002179203,0.004090013,0.001581523],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001299144,"about_ca_system_score_gemma":0.002837986,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002215016,"about_ca_topic_score_gemma":0.001985394,"domain_scores_codex":[0.9917304,0.005248092,0.0005496311,0.0008735699,0.0008056925,0.000792674],"domain_scores_gemma":[0.8577744,0.1119411,0.008618075,0.01460184,0.002086794,0.004977698],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"nonrandomized_trial","study_design_gemma":"randomized_trial","study_design_scores_codex":[0.1113541,0.7603126,0.03089683,0.001110728,0.0005735162,0.000928978,0.009167735,0.002964393,0.01688074,0.02169666,0.003542552,0.04057118],"study_design_scores_gemma":[0.1714742,0.5850692,0.07204778,0.0005646737,0.002337273,0.00188242,0.02032927,0.04067322,0.01603069,0.07853214,0.01046709,0.0005920788],"study_design_candidate":"randomized_trial","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9945171,0.00005005526,0.000956596,0.0003722364,0.0000952301,0.001187333,0.0001010105,0.00002193457,0.002698466],"genre_scores_gemma":[0.9872552,0.0001806216,0.003306445,0.0004421567,0.0001871873,0.004269833,0.0002492433,0.00002807046,0.004081177],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01549829,"threshold_uncertainty_score":0.08196378,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.09846419142234707,"score_gpt":0.3324999124515395,"score_spread":0.2340357210291925,"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."}}