We examined the impact of the ongoing electricity system reform in Japan on social welfare, retail electricity service level and retail electricity prices. In our paper, the default system is monopolistic and combines average cost pricing with fixed entity profit, while the reformed system is...

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 paper analyzes volatility of the electricity prices in the Japanese day-ahead market using realized volatility. We use several jump tests to decompose total realized variation into jump and continuous components. Then, we estimate several HAR models that show the time-dependence structure of...