A computable general equilibrium model is designed evaluating the economic impacts of agricultural policies such as price floors in food production, price ceilings in food consumption and in the use of agricultural inputs, and irrigation investments. Trade, sales tax, and external debt are also...

A corollary of the Bebreu-Scarf theorem is that, under ideal conditions, contracts serve as perfect substitutes for markets. Applying these propositions to sharecropping provides a rigorous foundation for the competitive theory of share tenancy. In addition, it is shown that the competitive...