Stochastic Frontier Analysis: Theory and Practices - Shantha, A. Aruna
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Technical efficiency of an individual decision-making unit is defined in terms of the ratio of the observed output to the corresponding frontier output. There are two main competing paradigms for estimating the relative efficiency of individual decision making units (DMU); parametric and non-parametric. The parametric approach assumes a functional relationship between output and inputs and use statistical techniques to estimate the parameters of the function. The non-parametric approach, in contrast, contracts a linear piecewise function from empirical observations on inputs and output without…mehr

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Produktbeschreibung
Technical efficiency of an individual decision-making unit is defined in terms of the ratio of the observed output to the corresponding frontier output. There are two main competing paradigms for estimating the relative efficiency of individual decision making units (DMU); parametric and non-parametric. The parametric approach assumes a functional relationship between output and inputs and use statistical techniques to estimate the parameters of the function. The non-parametric approach, in contrast, contracts a linear piecewise function from empirical observations on inputs and output without assuming any a priori functional relationship between them. With non-parametric approach, data envelopment analysis (DEA) is used to eastimate technical efficiency of each decision making unit. This study only examined the tools and techniques of parametric approach. The parametric approach relies on a specific functional form and it can be sub-divided into deterministic and stochastic models.
Autorenporträt
Shantha, A. Aruna
A. Aruna Shantha (PhD) is currently working as a Senior Lecturer attached to the Department of Economics and Statistics, faculty of Social Sciences and Languages, Sabaragamuwa University of Sri Lanka. He obtained his PhD in 2013 in the field of economics from School of Economics, Northern University of Malaysia.