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Estimating Effects of Agricultural Research and Extension Expenditures on Productivity: A Translog Production Function Approach

Published online by Cambridge University Press:  05 September 2016

Syu-Jyun Larry Lyu ,
Fred C. White  and
Yao-Chi Lu
Syu-Jyun Larry Lyu
Affiliation:
Department of Agricultural Economics, University of Georgia
Fred C. White
Affiliation:
Department of Agricultural Economics, University of Georgia
Yao-Chi Lu
Affiliation:
Food and Renewable Resources, Office of Technology Assessment, U.S. Congress
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Abstract

The effects of agricultural research and extension expenditures on productivity in the United States are estimated during the period 1949-81 using data for ten production regions. The large time-series cross-sectional data base allows the translog production function to be estimated directly. Results from the translog and Cobb-Douglas production functions are compared. The results indicate that use of the Cobb-Douglas production function would overestimate the internal rate of return of agricultural research and extension expenditures in the United States and eight production regions. The total marginal product and internal rate of return for the United States are $8.11 and 66 percent, respectively.

Keywords

agricultural researchagricultural extensionproductivitytranslog production function
Type
Articles
Information
Journal of Agricultural and Applied Economics , Volume 16 , Issue 2 , December 1984 , pp. 1 - 8
Copyright
Copyright © Southern Agricultural Economics Association 1984

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