Journal of Regulatory Economics

, Volume 15, Issue 2, pp 123–140

Price Dynamics in a Network of Decentralized Power Markets

  • Arthur S. De Vany
  • W. David Walls

DOI: 10.1023/A:1008083026348

Cite this article as:
De Vany, A.S. & Walls, W.D. Journal of Regulatory Economics (1999) 15: 123. doi:10.1023/A:1008083026348


In this paper, we model the dynamic behavior of prices in a network of interconnected, but decentralized, electric power markets—an architecture very different from the centralized exchanges and power pools currently being implemented by many state regulators. We estimate dynamic equations of unregulated, wholesale power prices at spot markets scattered over an eleven-state trading region. The results indicate that this decentralized system of power and transmission trading produces prices that are efficient and dynamically stable over this vast network. Price convergence in the power market is similar to what has been observed in the recently deregulated natural gas market.

Copyright information

© Kluwer Academic Publishers 1999

Authors and Affiliations

  • Arthur S. De Vany
    • 1
  • W. David Walls
    • 2
  1. 1.Institute of Mathematical Behavioral ScienceUniversity of California at Irvine Department of EconomicsIrvine, s[CA
  2. 2.The University of Hong Kong School of Economics & FinanceHong Kong

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