On the estimation of technical and allocative efficiency in a panel stochastic production frontier system model: Some new formulations and generalizations

Subal Kumbhakar and Mike Tsionas

European Journal of Operational Research, 2020, vol. 287, issue 2, 762-775

Abstract: In this paper we propose some alternative formulations and estimation of technical and allocative inefficiency in the presence of some exogenous variables in the context of a panel stochastic frontier model which includes time-invariant firm effects (heterogeneity) along with time-varying technical inefficiency and random noise. These exogenous variables are used to explain technical and allocative inefficiency as well as firm heterogeneity. The presence of these exogenous variables allows us to relax some of the assumptions made in a recent paper by Lai and Kumbhakar (2019). These variables also allow to add flexibility in estimating the model parameters as well as both technical and allocative inefficiency and costs therefrom. More specifically, the incidental parameters problem associated with firm heterogeneity in the production function as well in the first-order conditions of cost minimization can be avoided by parameterizing them in terms of the exogenous variables. We propose and implement model comparison based on Bayes factors and marginal likelihood.

Keywords: Productivity and competitiveness; Endogeneity; Technical efficiency; Allocative efficiency; Incidental parameters problem (search for similar items in EconPapers)
Date: 2020
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Citations: View citations in EconPapers (7)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:ejores:v:287:y:2020:i:2:p:762-775

DOI: 10.1016/j.ejor.2020.04.046

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