Co-operation versus Free Riding in International Environmental Affairs: Two Approaches

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Working paper
Henry Tulkens
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This paper is about a controversy on the feasibility, and as a consequence the likelihood, of cooperation among countries on issues of transfrontier pollution. I want to contrast two theses, a pessimistic one and an optimistic one. Both of them are based on concepts rooted in economic analysis, and both of them are claiming additional support from game theory. Nevertheless they reach opposing conclusions. It is thus a challenging task to try to disentangle the arguments used on each side, in order to see whether the two theses can be reconciled or are intrinsically antagonistic.
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