Simple plots of data show that malaria has a negative correlation with national income per capita, whether looking across countries at a point in time, or looking at a single country over time. Some countries have been able to move from an equilibrium characterized by low income and high...

Forthcoming in the American Journal of Agricultural Economics.

This article provides an economic explanation regarding why the share of U.S. pork raised on company-owned farms with hired management (integration) is increasing relative to production through independently owned-and-operated contract growers (contracting). The article develops a property...

Computable General Equilibrium (CGE) models are commonly used for global agricultural market analysis. Concerns are sometimes raised, however, about the quality of their output since key parameters may not be econometrically estimated and little emphasis is generally given to model assessment....

We develop a simulation model of world crop markets that is based upon Ricardian comparative advantage. We apply the model to twenty-three countries and provide measures of the degree of globalization in this sector, the gains from trade, and the elasticity of trade volumes to trade costs. The...

Virtual water trade is increasingly recognized as a useful metaphor for thinking about freshwater resources in an international context. Its legitimacy in terms of economic theory has been questioned by a number of authors, however. In this article I develop new theoretical results that place...