Bitte verwenden Sie diesen Link, um diese Publikation zu zitieren, oder auf sie als Internetquelle zu verweisen: https://hdl.handle.net/10419/162629 
Autor:innen: 
Erscheinungsjahr: 
2016
Schriftenreihe/Nr.: 
UPSE Discussion Paper No. 2016-03
Verlag: 
University of the Philippines, School of Economics (UPSE), Quezon City
Zusammenfassung: 
J. Harsanyi introduced structural polymorphism in game theory, that is, there are many possible agent types such as 'low productivity' or high productivity' with corresponding probability but all operating under one behavioral type, strict rationality. In this paper, we introduce behavioral polymorphism into Bayesian games. The multiplicity of behavioral types have become increasingly recognized and studied. Agents ascribe to each other a probability distribution across the possible types. They then choose the appropriate type as response to the possible type of the others which type determines the choice of strategy. We show in a dimorphic game model with the two types being strict rationality (SR) and utilitarian altruist (UA) that there always is a high enough assignment such that cooperation is the dominant strategy for both players in initially social dilemma games. Thus, the strategy set is endogenous in games with behavioral polymorphism. We argue that the assignment is based on some heuristics such as the counter-parties' membership in some groups.
Schlagwörter: 
behavioral polymorphism
Bayesian games
cooperation
dominant strategy
JEL: 
C70
C72
Dokumentart: 
Working Paper

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