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International environmental agreements without commitment

Larry Karp and Hiroaki Sakamoto
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Larry Karp: UC Berkeley

No 508, 2018 Meeting Papers from Society for Economic Dynamics

Abstract: We analyze a dynamic model of international agreements where countries cannot make long-term commitments and have no sanctions or rewards to induce participation. Countries can communicate with each other to build endogenous beliefs about the random consequences of (re)opening nego- tiation. Provided that countries are patient, many different agreements might emerge, including an effective agreement with many participants. Along the way, however, negotiation might yield a succession of short-lived agreements with a small number of participants. Beliefs are important, and negotiations matter. Our theoretical results are consistent with the existing empirical observations and they explain the `paradox of interna- tional agreements'.

New Economics Papers: this item is included in nep-dge, nep-env and nep-gth
Date: 2018
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