| Since the implement of reform and opening up policy in last century, especially after joining the WTO,our country’s economy has made considerable development, economic growth has attracted worldwide attention. Rapid growth of the foreign trade, especially the export of manufactured goods, provide an important impetus for national economydevelopment.However, as most export products have the characteristics of high energy consumption and high emission, it made the environment degradation all around our country, which not only bring negative effects on production and living, but also new challenges on foreign trade for our country due tothelarge number of "green trade barriers" in current international community.In long terms, the deterioration of environmental quality will restrict the development of our country’s economy and foreign tradeseriously. Therefore,developing cleaning industries with low energy consumption and low emission, upgradingindustrial and trade structure can make the economic grow steady and improve environmental quality at the same time.Government, as the national macro-control departments, standardize the behavior of economic entities by issuing executive ordersand economic policy, which has significant impact on industrial structure adjustment and environmental pollution control. The computable general equilibrium(CGE) model can reflect the operation state of the whole economy system, and become a powerful tool for policy analysis in recent years. This paper studied impacts between government’s trade and environmental policies and their influence on macroeconomic, pollution emissions and clean industry exports, by establishing trade and environmental policies CGE model, to put forward some suggestions for government..Firstly, the 42 departments of input-output table divided into types of heavily pollution industries, moderate pollutionindustries, light pollution industries and non pollution industriesaccording to the cleanliness. Mutually embedded module of production activities, international trade, economic entities, investing and saving, pollution control and equalization arebuild based on CGE model, and collect data to compile social accounting matrix(SAM)at the same time. After the simulation of trade and environmental policies’ impact on economic system, and influence comparison of different policies on clean industries’ production and export by GAMS software, conclusions and suggestions are put forward.The results show that:(1) Reducing export tax rebatesonly for heavily polluting industries, gross domestic product declined, pollutant emissionsreduced, production and exports of cleaningindustries increased. And for both heavily and moderate polluting industries, can reduce the possibility of pollution transfer,pollution emissions decreased and cleaning industries’ production and exports increase more obviously.(2) The environmentalpolicies which impose direct pollution tax on pollution emission and make environmental cost internalization,improve environmental quality better than the export tax rebate policy.With higher rates, the pollution control is better, cleaning industries’ production and exports increase, but will bring negative effects on GDP.(3) Both reductionof export tax rebates and imposition of environment tax on pollution industries will improve the environment quality, have negative impact on economic growth, which is not conducive to long-term economic development.Simulation of using two policies coordinately, which means impose environmental taxes on pollution emissions for cleaning industries and increase export tax rebates at the same time, can achieve development of cleaning industrieswhile ensure economic growth and improveenvironmental quality.Therefore recommend the government to increase the export subsidies for cleaning industries,implement differentiation environmental tax policies,pay attention to the coordinated use of policies, promote the development of cleaning industries and industrial structure upgrading. |
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