Koichiro Ito, Mar Reguant, 06 November 2016

In deregulated electricity markets, producers and consumers participate in auctions in forward and spot markets (‘sequential markets’) which determine the allocation of electricity production. This column asks whether financial traders should be allowed to participate in electricity markets to arbitrage a price difference between forward and spot markets. Creating a sequential market is likely to improve market efficiency and consumer welfare, and arbitrage by financial traders is likely to benefit consumers by lowering electricity prices, but from a social planner's point of view, arbitrage does not necessarily improve market efficiency.

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