Die Produktivitätsentwicklung in der deutschen Stromwirtschaft in langfristiger Perspektive
In 2009, Germany adopted a new system of regulating energy networks. The German regulatory commission (Bundesnetzagentur) now imposes price caps (RPI-X) on network charges in order to foster competition between power-supply companies. The price formula needed to calculate these price caps includes a so-called X-factor that quantifies expected productivity growth and inflation. Consequently, the meticulous estimation of the future productivity growth is crucial for the functioning of this form of incentive regulation. The German regulatory commission claims to base their estimates on the historical development of productivity growth in the electricity sector as a whole. To reveal the shortcomings of this approach, we show, first, that, in the second half of the 20th century, productivity growth in the German electricity sector was not constant but varied considerably over time, and, second, that productivity growth in the electricity networks was generally lower than in the electricity sector as a whole. Copyright 2009 die Autoren Journal compilation 2009, Verein für Socialpolitik und Blackwell Publishing Ltd.
Volume (Year): 10 (2009)
Issue (Month): 3 (08)
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References listed on IDEAS
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- Andreas Kuhlmann, 2006. "What is the X-Factor in the German Electricity Industry?," Ifo Working Paper Series Ifo Working Papers No. 34, Ifo Institute for Economic Research at the University of Munich.
- Bernstein, Jeffrey I & Sappington, David E M, 1999.
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Springer, vol. 16(1), pages 5-25, July.
- Jeffrey I. Bernstein & David E. M. Sappington, 1998. "Setting the X Factor in Price Cap Regulation Plans," NBER Working Papers 6622, National Bureau of Economic Research, Inc.
- Jim Malley & Anton Muscatelli & Ulrich Woitek, 1998. "The Interaction Between Business Cycles and Productivity Growth: Evidence from US Industrial Data," Working Papers 9805, Business School - Economics, University of Glasgow, revised Oct 1998.
- M.E. Beesley & S.C. Littlechild, 1989. "The Regulation of Privatized Monopolies in the United Kingdom," RAND Journal of Economics, The RAND Corporation, vol. 20(3), pages 454-472, Autumn.
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