A Strong Test of the Von Liebig Hypothesis
8 Pages Posted: 24 Mar 2020
Date Written: November 2000
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 experimental data on corn and wheat.
Keywords: production function, von Liebig, Q120
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