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Plant Nutrient Demand Functions for Tennessee with Prices of Jointly Applied Nutrients

Published online by Cambridge University Press:  05 September 2016

Roland K. Roberts
Roland K. Roberts*
Affiliation:
Department of Agricultural Economics and Rural Sociology, University of Tennessee
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Abstract

Several studies have estimated plant nutrient demand functions for nitrogen, phosphate, and potash. All included own-price effects but excluded prices of jointly applied nutrients. In this study, nutrient demand functions, which include prices of all three nutrients, are estimated for Tennessee by seemingly unrelated regression. Results suggest that cross-price eflfects are important in determining plant nutrient demand, at least in the case of Tennessee, and that multicollinearity need not be a hindrance in all cases to including cross-price eflfects in plant nutrient demand models.

Keywords

fertilizerplant nutrientsinputsfactor demandelasticitiesmulticollinearity

Information

Type
Submitted Articles
Information
Journal of Agricultural and Applied Economics , Volume 18 , Issue 2 , December 1986 , pp. 107 - 112
Copyright
Copyright © Southern Agricultural Economics Association 1986

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