http://ideas.repec.org/

这个网站有许多内容，其中有许多stata程序可下载，希望对大家有帮助！！

Welcome to the largest bibliographic database dedicated to Economics and available freely on the Internet. Over 600'000 items of research can be browsed or searched, and over 500'000 can be downloaded in full text! This site is part of a large volunteer effort to enhance the free dissemination of research in Economics....