Reconciling the von Liebig and Differentiable Crop Production Functions
1990
Berck, Peter | Helfand, Gloria
Two commonly used forms for crop response to inputs are a smooth, differentiable production function and a linear response and plateau (LRP) model. This paper reconciles these two views by showing that smooth functions can be derived by aggregating the effects of heterogenous inputs on LRP functions. Data on corn growth are used to test two specific aggregations.
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