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Monopolistic competition and trade : does the theory carry any empirical "weight"?
Sheldon, Ian M., (2007)
Sheldon, Ian M., (2009)
Using the gravity equation to differentiate among alternative theories of trade
Feenstra, Robert C., (2001)
Agricultural export restrictions : discussion
Sheldon, Ian M., (2012)
Industrial organization and trade in the food industries
Sheldon, Ian M., (1996)