Working papers from the National Bureau of Economic Research.
Social Science Research Network (SSRN)
Working papers spanning the social sciences and beyond. The UCI Libraries has site subscriptions to all Networks with premium content (listed alphabetically):
Accounting * Cognitive Science * Corporate Governance * Economics * Entrepreneurship * Financial Economics * Health Economics * Humanities * Information Systems & eBusiness * Innovation * Legal Scholarship * Management * Political Science * Social Insurance * Sustainability
RePEc (Research Papers in Economics)
A collaborative effort of hundreds of volunteers in 78 countries to enhance the dissemination of research in Economics and related sciences. The bibliographic database includes working papers, journal articles, books, books chapters and software components.
Published by the American Economic Association. Provides thousands of bibliographic entries for a wide range of economics-related literature, both theory and application. An expanded version of the Journal of Economic Literature (JEL). Includes working papers.
Columbia International Affairs Online (CIAO)
Theory and research in international affairs, including a significant amount in economics. Has working papers from university research institutes, papers series from NGOs, foundation-funded research projects, proceedings from conferences, books, journals and policy briefs.
Business Source Complete
Thousands of full-text and bibliographic entries, including working papers. Advanced Search > Document Type > Working Paper.
The Peterson Institute for International Economics
A private, nonprofit, nonpartisan research institution devoted to the study of international economic policy. Working papers series launched in 1994.
Universities & Colleges
Many institutions have repositories of working papers. Start with a Google search limited to the .edu domain. For example, paste this into Google: economics working papers site:.edu