Do credible domestic institutions promote credible international agreements?

We examine the relationship between international policy coordination and domestic policy reputation when both are self-sustaining. We show that domestic policy commitment: does not necessarily facilitate international cooperation: rather, efficient policies may be most easily sustained when governments are unable to pre-commit to policy domestically. Moreover, the lack of domestic commitment is more likely to facilitate international cooperation the larger the international spillovers; of domestic policies are. (C) 2009 Elsevier B.V. All rights reserved.