Malmquist Productivity Analysis based on StoNED

Xiaomei Cheng, Endre Bjørndal () and Mette Bjørndal ()
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Endre Bjørndal: Dept. of Business and Management Science, Norwegian School of Economics, Postal: NHH , Department of Business and Management Science, Helleveien 30, N-5045 Bergen, Norway
Mette Bjørndal: Dept. of Business and Management Science, Norwegian School of Economics, Postal: NHH , Department of Business and Management Science, Helleveien 30, N-5045 Bergen, Norway
Authors registered in the RePEc Author Service: Endre Jostein Bjørndal

No 2015/25, Discussion Papers from Norwegian School of Economics, Department of Business and Management Science

Abstract: We construct a Malmquist productivity index based on stochastic non-parametric envelopment of data (StoNED) method, and we study how the distributional assumptions in the second StoNED stage affect productivity change and its decompositions. Our discussion show that the distributional assumptions do not affect the estimates of overall productivity change and scale efficiency change, but that estimates of efficiency change and technical change are affected. Data on Norwegian electricity distribution companies is used to illustrate our discussion.

Keywords: Productivity and competitiveness; StoNED; Malmquist productivity index; Wrong skewness issue (search for similar items in EconPapers)
JEL-codes: C00 C10 C14 Q00 (search for similar items in EconPapers)
Pages: 16 pages
Date: 2015-09-24
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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