This is an open access collection of Economics research from 1993-2005.
"Welcome to the largest bibliographic database dedicated to Economics and available freely on the Internet. Over 700'000 items of research can be browsed or searched, and over 550'000 can be downloaded in full text! This site is part of a large volunteer effort to enhance the free dissemination of research in Economics, RePEc." from web site
"This repository is intended to serve the interests of economists who want to make their work freely available through the RePEc network but are not affiliated with any institution that provides that furtherance. The work will be made available through EconPapers, Ideas, and other services.
MPRA accepts working papers and books in all languages, that is, contributions to economic research with a strictly academic orientation that are intended for later publication in a journal or book. MPRA accepts also electronic versions of previously published articles subject to agreement by the copyright owner." from web site