Center for European Studies Working Paper Series #52 Why the European Union Strengthens the State: Domestic Politics and International Cooperation by Andrew Moravcsik Department of Government Harvard University Center for European Studies, Harvard University 27 Kirkland Street, Cambridge MA 02138 Tel.: 617-495-4303, x205 / Fax: 617-495-8509 e-mail:
[email protected] Paper presented at the Annual Meeting of the American Political Science Association, New York, NY (1-4 September 1994) Most contemporary theories of international cooperation treat states as unitary actors and, therefore, focus primarily on the functional benefits of cooperation or the collective action problems states confront in realizing it.1 Less attention is paid to the impact of international negotiations and institutions on domestic politics, or to the consequences for international cooperation. This essay offers a theory of when and how international cooperation redistributes domestic power resources between state and society. Redistribution, it is argued, generally empowers national executives, permitting them to loosen domestic constraints imposed by legislatures, interest groups, and other societal actors. These shifts in domestic 'influence have important consequences for the nature of international cooperation. More specifically, I advance three arguments, each of which challenges existing understandings of international cooperation. First, international negotiations and institutions reallocate political resources by changing the domestic institutional.