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Building rational cooperation on their own: Learning to start small
Author(s) -
Andreoni James,
Kuhn Michael A.,
Samuelson Larry
Publication year - 2019
Publication title -
journal of public economic theory
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.809
H-Index - 32
eISSN - 1467-9779
pISSN - 1097-3923
DOI - 10.1111/jpet.12322
Subject(s) - dilemma , stochastic game , prisoner's dilemma , economics , microeconomics , traveler's dilemma , point (geometry) , adversary , repeated game , mathematical economics , game theory , computer science , normal form game , mathematics , geometry , computer security
Abstract We report experimental results for a twice‐played prisoners' dilemma in which the players can choose the allocation of the stakes across the two periods. Our point of departure is the assumption that some (but not all) people are willing to cooperate, as long as their opponent is sufficiently likely to do so. The presence of such types can be exploited to enhance cooperation by structuring the twice‐played prisoners' dilemma to “start small,” so that the second‐stage stakes are larger (but not too much larger) than the first‐stage stakes. We compare conditions where the allocation of stakes is chosen exogenously to conditions where it is chosen by the players themselves. We show that players gravitate toward the payoff‐maximizing strategy of starting small in a twice‐played prisoners' dilemma. Intriguingly, the salutary payoff effects of doing so are larger than those that arise when the same allocation is exogenously chosen.