Estimate of regional market structure of Japanese public utility industry

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The arguments on the regulatory reform in Japan are usually based on the experience or the researches in Western countries. Although it is unknown whether they are applicable to the market structure of Japan, there is almost no research which analyzed Japan's gas industry. Price elasticity is one of the most important parameters that characterize the market structure. This research estimates the gas demand price elasticity for each region, and compares the gas industry with the power industry which is similar public utilities.