{"id":"W2085667665","doi":"10.1006/game.2000.0836","title":"Cooperation, Secret Handshakes, and Imitation in the Prisoners' Dilemma","year":2001,"lang":"en","type":"article","venue":"Games and Economic Behavior","topic":"Game Theory and Applications","field":"Decision Sciences","cited_by":18,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of British Columbia","funders":"","keywords":"Handshake; Dilemma; Prisoner's dilemma; Imitation; Stochastic game; Mathematical economics; Superrationality; Repeated game; Limit (mathematics); Computer science; Adversary; SIGNAL (programming language); Microeconomics; Game theory; Economics; Computer security; Mathematics; Psychology; Social psychology; Telecommunications","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.004193631,0.0007768413,0.001500251,0.0007240964,0.001019317,0.002977949,0.001318805,0.002927175,0.002518187],"category_scores_gemma":[0.02226517,0.0005755605,0.0007523234,0.0006114475,0.006835362,0.005141096,0.001911929,0.001873323,0.0001915045],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001427043,"about_ca_system_score_gemma":0.001347957,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002285846,"about_ca_topic_score_gemma":0.001199955,"domain_scores_codex":[0.9964567,0.002416125,0.0001362567,0.0002958525,0.0004070013,0.0002880503],"domain_scores_gemma":[0.9785589,0.01831139,0.001672556,0.0005081014,0.0004777805,0.0004712143],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.0002047152,0.00006664125,0.001189895,0.0001427039,0.00007825225,0.0003150533,0.0007724473,0.1022322,0.0006715018,0.8811625,0.001325163,0.01183912],"study_design_scores_gemma":[0.00006253861,0.00005225171,0.000416355,0.00002476793,0.00002188662,0.00009522802,0.0001530351,0.1225461,0.0001368633,0.8757229,0.0007384435,0.0000294878],"study_design_candidate":"simulation_or_modeling","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.542887,0.006638776,0.3782862,0.007522012,0.0003640097,0.000143378,0.0001325625,0.000132884,0.06389314],"genre_scores_gemma":[0.9877293,0.0006647456,0.007892475,0.0000926903,0.00009776864,0.0000792516,0.00001322191,0.00001013993,0.003420393],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.004193631,"threshold_uncertainty_score":0.02217829,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.08203987794972302,"score_gpt":0.3517487822863533,"score_spread":0.2697089043366303,"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."}}