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Red plate made in China and cherries from where? Photo copyright Kyi May Kaung
http://www.washingtonpost.com/wp-dyn/content/article/2008/10/13/AR2008101300369.html?hpid=sec-business
The Theory of Comparative Advantage explained a lot, but Krugman's work has explained country specializations and trade better.
See PBS.org for Jim Lehrer's interview of Krugman, yesterday. (10-13-08)
Krugman said countries fall into trade patterns also by chance and then economies of scale take over.
Think of China's increasing role in African trade and investment.
Kyi May Kaung