The largest bibliographic database available freely on the Internet, dedicated to economics. Provides access to RePEc, a collaborative database of working papers, journal articles and software components.
Founded in 1920, the NBER is a private, nonprofit, nonpartisan research organization dedicated to promoting a greater understanding of how the economy works. Their full-text archive of working papers covers 1973-present.
A project of the Center for Governmental Studies, PolicyArchive is a comprehensive, free digital library of public policy research providing access to thousands of research documents.