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Author: Ralph Ossa
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A central insight from neoclassical economics is that international trade operates like an improvement in production technology. It generates mutual aggregate welfare gains for countries as a whole, but creates winners a...Read more...
Ralph Ossa and Stephen J. Redding
25 February 2026
I develop a novel theory of GATT/WTO negotiations. This theory provides new answers to two prominent questions in the trade policy literature: first, what is the purpose of trade negotiations? And second, what is the rol...Read more...
Ralph Ossa
June 2008
Empirical evidence suggests that trade liberalization increases firm productivity. This paper offers a novel explanation for this finding. I develop a simple general equilibrium model of trade in which trade liberalizati...Read more...
July 2007
This paper presents a model of social learning about the suitability of local conditions for new business ventures and explores its implications for the microeconomic patterns of economic development. I show that: i) fir...Read more...
March 2006