1.The Increasing Returns Revolution in Trade and Geography
Paul Krugman
American Economic Review Vol. 99, No. 3, June 2009
2. Taxing Capital? Not a Bad Idea after All!
Juan Carlos Conesa, Sagiri Kitao and Dirk Krueger
American Economic Review, 99(1): 25–48.
我的邮箱是:hart_liu@sina.com.谢谢!


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