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Please use this identifier to cite or link to this item: http://purl.umn.edu/44308

Title: Accounting for (In)Efficiency in the Estimation of Time-Varying Returns to Scale
Authors: Shaik, Saleem
Authors (Email): Shaik, Saleem (saleem.shaik@ndsu.edu)
Keywords: Asian agriculture sector
time-varying input elasticities
technical change
and returns to scale
pooled
two-way random effect
stochastic frontier analysis
1961-2005.
Issue Date: 2008-10
Series/Report no.: Agribusiness & Applied Economics Report No.
635
Abstract: This paper has a two-fold contribution. First, it examines the importance of accounting for (in)efficiency in the estimation of primal production function on the input elasticities, technical change, and calculation of returns to scale. Second, it applies a variant of the rolling regression technique to identify time-varying input elasticities, technical change, and return to scale. Empirical application to the Asian agriculture sector using Food and Agricultural Organization data from 1961-2005 indicates returns to scale are underestimated by the traditional pooled and panel models. Further, the time-varying estimates of input elasticities, technical change, and returns to scale indicate variations with each additional year of information.
URI: http://purl.umn.edu/44308
Institution/Association: North Dakota State University>Department of Agribusiness and Applied Economics>Agribusiness & Applied Economics Report
Total Pages: 22
Collections:Agribusiness & Applied Economics Report

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