Arbitrage in energy markets: competing in the incumbent's shadow
AbstractThis paper studies the welfare implications of using market mechanisms to allocate transmission capacity in recently liberalized electricity markets. It questions whether access to this essential facility should be traded on a market, or whether the incumbent should retain exclusive usage rights. We show that granting exclusive use to the incumbent might be optimal, if the capacity of the essential facility is small and the incumbent can reduce production costs by taking advantage of interregional production-cost differences. This result counters the intuition that arbitrage will improve the social surplus when there is no output contraction. The reason is that when competition is imperfect, arbitrage might reduce production efficiency. We advise policymakers to introduce market mechanisms for the allocation of transmission capacity only if sufficient investment in the network is ensured or if the market power of the incumbent is broken in at least one of the markets in which it is active.
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Bibliographic InfoPaper provided by Katholieke Universiteit Leuven, Centrum voor Economische Studiën in its series Center for Economic Studies - Discussion papers with number ces0730.
Date of creation: Mar 2007
Date of revision:
Arbitrage; electricity sector; price discrimination;
Other versions of this item:
- Kupper Gerd & Willems Bert, 2007. "Arbitrage in Energy Markets: Competing in the Incumbent’s Shadow," Energy, Transport and Environment Working Papers Series ete0707, Katholieke Universiteit Leuven, Centrum voor Economische Studiën, Energy, Transport and Environment.
- Kupper, G. & Willems, Bert, 2007. "Arbitrage in Energy Markets: Competing in the Incumbent's Shadow," Discussion Paper 2007-034, Tilburg University, Tilburg Law and Economic Center.
- Kupper, G. & Willems, Bert, 2007. "Arbitrage in Energy Markets: Competing in the Incumbent's Shadow," Discussion Paper 2007-094, Tilburg University, Center for Economic Research.
- D40 - Microeconomics - - Market Structure and Pricing - - - General
- L10 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - General
- L50 - Industrial Organization - - Regulation and Industrial Policy - - - General
- Q48 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - Government Policy
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