The issue of market power is one of the most significant problems in the reform of power industry. Considering the actual situation of generation-side electricity market of our country, using relevant knowledge of the electricity market theory, modern industrial organization theory, imperfect competition theory and the game theory, this paper presents a comprehensive study of market power. The main contents include: (1) analysis of the production mechanism of market power; (2)study of the index for detecting and measuring market power; (3) positive analysis of market power in main electricity markets abroad; (4) analysis of the structure of electricity market in China, and study of the market behavior of power suppliers under specific market structure; (5) study of methods for restraining market power. The studies broden the research scope of market power, and would offer theoretical foundation for the government's supervision department to make relevant policies . |