An implication of the von Liebig hypothesis is that crop-production functions have right-angle isoquants. This article presents a nonparametric estimation of right-angle isoquant production functions. It then describes a new test for right-angle isoquants. The procedures are used to test...

Revelation of criteria implicit in setting policy is addressed in a political economic framework that includes identification and estimation of unknown parameters in the presence of multiple sources of uncertainty. Policy formation is viewed as an optimization process under which the government...

The authors analyze the consequences of imperfect output markets for the land-use decisions of semi-subsistence farmers in an agricultural frontier of southern Mexico. The approach is motivated by previous applications of the agriculture household model establishing that the farm...