篇名:The Increasing Returns Revolution in Trade and Geography
作者:Paul Krugman
期刊:AMERICAN ECONOMIC REVIEW
卷号及页码:june 2009,561-571
电子连接:http://www.atypon-link.com/doi/abs/10.1257/aer.99.3.561
或者:http://www.citeulike.org/article/5007333
先行谢过啦!!!


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