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The effect of the Fukushima nuclear accident on stock prices of electric power utilities in Japan

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  • Kawashima, Shingo
  • Takeda, Fumiko

Abstract

The purpose of this study is to investigate the effect of the accident at the Fukushima Daiichi nuclear power station, which is owned by Tokyo Electric Power Co. (TEPCO), on the stock prices of the other electric power utilities in Japan. Because the other utilities were not directly damaged by the Fukushima nuclear accident, their stock price responses should reflect the change in investor perceptions on risk and return associated with nuclear power generation. Our first finding is that the stock prices of utilities that own nuclear power plants declined more sharply after the accident than did the stock prices of other electric power utilities. In contrast, investors did not seem to care about the risk that may arise from the use of the same type of nuclear power reactors as those at the Fukushima Daiichi station. We also observe an increase of both systematic and total risks in the post-Fukushima period, indicating that negative market reactions are not merely caused by one-time losses but by structural changes in society and regulation that could increase the costs of operating a nuclear power plant.

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Bibliographic Info

Article provided by Elsevier in its journal Energy Economics.

Volume (Year): 34 (2012)
Issue (Month): 6 ()
Pages: 2029-2038

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Handle: RePEc:eee:eneeco:v:34:y:2012:i:6:p:2029-2038

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Web page: http://www.elsevier.com/locate/eneco

Related research

Keywords: Nuclear accident; Electric power utility; Capital markets;

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Cited by:
  1. Lopatta, Kerstin & Kaspereit, Thomas, 2014. "The cross-section of returns, benchmark model parameters, and idiosyncratic volatility of nuclear energy firms after Fukushima Daiichi," Energy Economics, Elsevier, vol. 41(C), pages 125-136.
  2. Zhengru Tao, 2014. "Short-term economic effect of the M7.0 Lushan Earthquake," Natural Hazards, International Society for the Prevention and Mitigation of Natural Hazards, vol. 70(2), pages 1247-1261, January.
  3. repec:cge:warwcg:156 is not listed on IDEAS
  4. Grossi, Luigi & Waterson, Michael, 2013. "German Energy Market Fallout from the Japanese Earthquake," CAGE Online Working Paper Series 157, Competitive Advantage in the Global Economy (CAGE).

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