What is the X-Factor in the German Electricity Industry?
A new legislation in the German electricity market requires the implementation of an incentive- based regulation within the next years. In such a regime either prices or revenues are capped and grow with the inflation rate minus a factor, which accounts for productivity differences between the sector and the rest of the economy. This paper derives such an X-factor for the German electricity industry using a new productivity database and Growth Accounting methodology. Considering that several underlying assumptions are violated due to market imperfections, the calculated X-factor rises from 0.48 to a modified value of 2.15.
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- Bernstein, Jeffrey I & Sappington, David E M, 1999.
"Setting the X Factor in Price-Cap Regulation Plans,"
Journal of Regulatory Economics,
Springer, vol. 16(1), pages 5-25, July.
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- Bernstein, Jeffrey I. & Sappington, David E. M., 2000. "How to determine the X in RPI-X regulation: a user's guide," Telecommunications Policy, Elsevier, vol. 24(1), pages 63-68, February. Full references (including those not matched with items on IDEAS)
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