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Binding Promises and Cooperation Among Strangers

Gabriele Camera, Marco Casari, Maria Bigoni
2012 Social Science Research Network  
In an experiment, a group of strangers was randomly divided in pairs to play a prisoners' dilemma; this process was indefinitely repeated. Cooperation did not increase when subjects could send public messages amounting to binding promises of future play.
doi:10.2139/ssrn.2541948 fatcat:rty6gtcjbnhobmqhras2gkisve