Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/74078
Authors: 
Noailly, Joëlle
van den Bergh, Jeroen C.J.M.
Withagen, Cees A.
Year of Publication: 
2005
Series/Report no.: 
Nota di Lavoro, Fondazione Eni Enrico Mattei 78.2005
Abstract: 
Conditions for the emergence of cooperation in a spatial common-pool resource game are studied. This combines in a unique way local and global interactions. A fixed number of harvesters are located on a spatial grid. Harvesters choose among three strategies: defection, cooperation, and enforcement. Individual payoffs are affected by both global factors, namely, aggregate harvest and resource stock level, and local factors, such as the imposition of sanctions on neighbors by enforcers. The evolution of strategies in the population is driven by social learning through imitation. Numerous types of equilibria exist in these settings. An important new finding is that clusters of cooperators and enforcers can survive among large groups of defectors. We discuss how the results contrast with the non-spatial, but otherwise similar, game of Sethi and Somanathan (1996).
Subjects: 
Common property
Cooperation
Evolutionary game theory
Global interactions
Local interactions
Social norms
JEL: 
C72
Q2
Document Type: 
Working Paper

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