{"id":"W2145330028","doi":"10.1287/mnsc.2013.1826","title":"Rewarding Volunteers: A Field Experiment","year":2014,"lang":"en","type":"article","venue":"Management Science","topic":"Experimental Behavioral Economics Studies","field":"Social Sciences","cited_by":128,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Toronto","funders":"","keywords":"Prosocial behavior; Incentive; Spillover effect; Donation; Population; Government (linguistics); Public economics; Economics; Psychology; Social psychology; Microeconomics; Economic growth; Medicine","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.001308321,0.00008934546,0.0001012356,0.0001337466,0.001168697,0.0002129187,0.0006340979,0.00002023634,0.0001478429],"category_scores_gemma":[0.00007707906,0.00009266674,0.00003996873,0.0003850866,0.0006170705,0.0004269432,0.0003901463,0.00004659739,0.0002149641],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002948232,"about_ca_system_score_gemma":0.00001841427,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00104292,"about_ca_topic_score_gemma":0.0001383876,"domain_scores_codex":[0.9985752,0.00003614725,0.0001422379,0.0003748172,0.0004275735,0.000444068],"domain_scores_gemma":[0.9995268,0.00003242555,0.00004111958,0.000259531,0.0000268944,0.0001132285],"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":[0.00001011139,0.0001126709,0.01263785,0.00001143335,0.00001625934,0.000004856194,0.02296516,0.00003208555,0.005559329,0.9180467,0.006020107,0.0345835],"study_design_scores_gemma":[0.001122696,0.0004233047,0.008320827,0.0001335313,0.00005495833,0.000001051019,0.1421272,0.001304764,0.06296191,0.009436135,0.772731,0.00138261],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":null,"genre_codex":"other","genre_gemma":"empirical","genre_scores_codex":[0.2205137,0.00005562,0.0009879686,0.001856466,0.0007567953,0.0002790897,2.268479e-7,0.0001218755,0.7754282],"genre_scores_gemma":[0.9926633,0.00004047812,0.002885698,0.000696454,0.00008251039,0.00005047445,1.814108e-7,0.000005193685,0.003575729],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.9086105,"threshold_uncertainty_score":0.8988789,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02615208978005712,"score_gpt":0.3391635432648235,"score_spread":0.3130114534847663,"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."}}