Impact Of Carbon Tax Policy On Beijing’s Economy-Environment-Energy System

China has become one of the countries which have the most energy consumption and carbon emissions in the world. Meanwhile, the current situation of our country is that we need a lot of energy to promote industrialization, urbanization and modernization; that coal occupies the dominant position in the energy consumption structure in China because our resource conditions are "rich coal, less gas and oil shortage", that the main body of the industrial structure is the second industry of high energy consumption and that the technology of developing the low carbon economic still lags behind. Under such conditions, it is particularly important to research how to solve a major contradiction of energy consumption and carbon emissions In the process of Chinese economic development in the future.As a policy analysis tool, the CGE model has been widely used in research fields of energy and environment, by which domestic scholars have done a lot of research on region area. Therefore, this paper establishes a static CGE model to research on Beijing, to analyses and study the impact of carbon tax on Beijing’s energy consumption, carbon emissions and economic development. Through the research, this paper obtains the following conclusions:according to the static analysis, we impose a carbon tax in order to reduce carbon emissions. With the gradual increase of carbon dioxide emission reductions, the carbon tax level increases gradually, and the tax rate from the price of carbon tax on three kinds of fossil energy is also gradually increased, in which the coal rate is the highest, followed by petroleum, natual gas are low. The main task of Beijing’s carbon dioxide emissions exists in coal.In the development of low-carbon economy in the future, the adjustment of Beijing’s single, coal-dominated energy structure, development in the clean use of coal energy are extremely important. As the volume of carbon dioxide emission reductions gradually increases, demands for coal, petroleum,, and gas are decreased, in which the proportions of coal and petroleum significantly drop, followed by natural gas and gas, and the proportion of clean electricity significantly increases. Because of the carbon tax, the outputs of most sectors have varying degrees of decline, especially the high energy-consuming sectors.