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Open Access Publications from the University of California

Cournot Competition, Financial Option Markets, and Efficiency


Allaz and Vila (1993) show that the existence of futures markets increases the efficiency of markets in a Cournot setting. This paper looks at the efficiency effect of financial options in a similar framework. It shows that the existence of financial options also makes markets more efficient; though to a smaller extent than futures. This is particularly relevant for markets with market power and costly storage, like electricity markets.

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