A dynamic stochastic frontier production model with time-varying efficiency
AbstractIn this paper technical efficiency is introduced via the intercept that evolve over time as a AR(1) process in a stochastic frontier (SF) framework in a panel data framework. Following are the distinguishing features of the model. First, the model is dynamic in nature. Second, it can separate technical inefficiency from fixed firm-specific effects which are not part of inefficiency. Third, the model allows estimation of technical change separate from change in technical efficiency. It is proposed that the ML method be used estimate the parameters of the model. Finally, expressions are derived to calculate/predict technical inefficiency (efficiency).
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Bibliographic InfoArticle provided by Taylor & Francis Journals in its journal Applied Economics Letters.
Volume (Year): 10 (2003)
Issue (Month): 10 ()
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Other versions of this item:
- Evangelia Desli & Subhash C. Ray & Subal C. Kumbhakar, 2002. "A Dynamic Stochastic Frontier Production Model with Time-Varying Efficiency," Working papers 2003-15, University of Connecticut, Department of Economics.
- C31 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - Cross-Sectional Models; Spatial Models; Treatment Effect Models; Quantile Regressions; Social Interaction Models
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