Benchekroun, Hassan; Long, Ngo Van - In: Journal of Economic Behavior & Organization 67 (2008) 1, pp. 239-252
We develop a theoretical model in which each individual is, in some ultimate sense, motivated by purely egoistic satisfaction derived from the goods accruing to him, but there is an implicit social contract such that each performs duties for the others in a way that enhances the satisfaction of...