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A Spatial Equilibrium Analysis of Transmission Charge Reform in Japan's Electric Power Industry


  • Shu-ichi Akiyama
  • Nobuhiro Hosoe


A key intention of the regulatory reform of transmission charge schemes on Japan's electric power market was to promote inter-regional competition between power suppliers by lowering long-distance transmission charges with a postage-stamp charge scheme. This can lead to extensive use of inter-regional links and cause congestion. Congestion segments the market into several regional markets, making the reform less successful. We developed a nine-region spatial equilibrium model to simulate the reform at the peak-load hour. We found the reform would lead to significant increases of inter-regional transmission and congestion at the link between the 50-Hz area and the 60-Hz area.

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  • Shu-ichi Akiyama & Nobuhiro Hosoe, 2006. "A Spatial Equilibrium Analysis of Transmission Charge Reform in Japan's Electric Power Industry," Discussion papers 06022, Research Institute of Economy, Trade and Industry (RIETI).
  • Handle: RePEc:eti:dpaper:06022

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    References listed on IDEAS

    1. Hansen, Lars Peter, 1982. "Large Sample Properties of Generalized Method of Moments Estimators," Econometrica, Econometric Society, vol. 50(4), pages 1029-1054, July.
    2. Matsukawa Isamu & Madono Seishi & Nakashima Takako, 1993. "An Empirical Analysis of Ramsey Pricing in Japanese Electric Utilities," Journal of the Japanese and International Economies, Elsevier, vol. 7(3), pages 256-276, September.
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    Cited by:

    1. Tanaka, Makoto, 2009. "Transmission-constrained oligopoly in the Japanese electricity market," Energy Economics, Elsevier, vol. 31(5), pages 690-701, September.
    2. TANAKA Makoto, 2007. "Oligopolistic Competition in the Japanese Wholesale Electricity Market: A Linear Complementarity Approach," Discussion papers 07023, Research Institute of Economy, Trade and Industry (RIETI).

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