Finding the Right Yardstick: Regulation under Heterogeneous Environments

Endre Bjørndal (), Mette Bjørndal (), Astrid Cullmann and Maria Nieswand ()
Additional contact information
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, http://www.nhh.no/Default.aspx?ID=1995
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, http://www.nhh.no/Default.aspx?ID=1996
Maria Nieswand: DIW Berlin, Postal: DIW Berlin, Mohrenstr. 58, 10117 Berlin, Germany, http://www.diw.de/cv/en/mnieswand
Authors registered in the RePEc Author Service: Endre Jostein Bjørndal

No 2016/4, Discussion Papers from Norwegian School of Economics, Department of Business and Management Science

Abstract: Revenue cap regulation is often combined with systematic benchmarking to reveal the managerial inefficiencies when regulating natural monopolies. One example is the European energy sector, where benchmarking methods are based on actual cost data, which are influenced by managerial inefficiency as well as operational heterogeneity. This paper demonstrates how a conditional nonparametric method, which allows the comparison of firms operating under heterogeneous technologies, can be used to estimate managerial inefficiency. A dataset of 123 distribution firms in Norway is used to show aggregate and firm-specific effects of conditioning. By comparing the unconditional model to our proposed conditional model and the model presently used by the Norwegian regulator, we see that the use of conditional benchmarking methods in revenue cap regulation may effectively distinguish between managerial inefficiency and operational heterogeneity. This distinction leads first to a decrease in aggregate efficient costs and second to a reallocation effect that affects the relative profitability of firms and relative customer prices, thus providing a fairer basis for setting revenue caps.

Keywords: Data Envelopment Analysis; Yardstick Regulation; Electricity Distribution (search for similar items in EconPapers)
JEL-codes: C44 L51 L94 (search for similar items in EconPapers)
Pages: 37 pages
Date: 2016-02-25
New Economics Papers: this item is included in nep-eff, nep-ene and nep-reg
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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Working Paper: Finding the Right Yardstick: Regulation under Heterogeneous Environments (2016)
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