Industry Restructuring, Mergers, And Efficiency: Evidence From Electric Power
This paper analyses the performance impact of the merger wave which took place in the US electricity industry during the period 1994-2003. It does so by analyzing the impact on operating and total cost in electricity distribution. While there are past studies of efficiency and productivity effects, as well as of prices, profits, and other outcomes, this study differs in several ways. First, the database consists of many merging and non-merging firms, rather than only a few on which to base inferences. Second, all of these mergers arise in a single industry, greatly facilitating controlled comparison. Third, we have data on the several years of pre-merger and post-merger efficiency of the specific merging units, unlike virtually all past studies. And finally, we employ a powerful nonparametric technique - data envelopment analysis - to measure the efficiency of each operating unit. The results indicate that electricity mergers are not consistent with improved cost performance.
|Date of creation:||May 2007|
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- Joskow, P.L., 2003.
"The Difficult Transition to Competitive Electricity Markets in the U.S,"
Cambridge Working Papers in Economics
0328, Faculty of Economics, University of Cambridge.
- Paul L. Joskow, 2003. "The Difficult Transition to Competitive Electricity Markets in the U.S," Working Papers 0308, Massachusetts Institute of Technology, Center for Energy and Environmental Policy Research.
- Jamasb, T. & Pollitt, M., 2000. "Benchmarking and regulation: international electricity experience," Utilities Policy, Elsevier, vol. 9(3), pages 107-130, September.
- Nancy L. Rose & Kira Markiewicz & Catherine Wolfram, 2004.
"Does Competition Reduce Costs? Assessing the Impact of Regulatory Restructuring on U.S. Electric Generation Efficiency,"
0418, Massachusetts Institute of Technology, Center for Energy and Environmental Policy Research.
- Markiewicz, K. & Rose, N.L. & Wolfram, C., 2004. "Does Competition Reduce Costs? Assessing the Impact of Regulatory Restructuring on U.S. Electric Generation Efficiency," Cambridge Working Papers in Economics 0472, Faculty of Economics, University of Cambridge.
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