Dynamic Modeling on the Relationship between Urbanization and Eco-environment

Through measuring the comprehensive level of urbanization and comprehensive quality of eco-environment in Jiangxi province of China, the paper explores the relationship between urbanization and eco-environment during 1978-2009 by some dynamic econometric models such as co-integration test, Granger causality test, impulse response function and variance decomposition. The results show that the comprehensive level of urbanization is Granger causality to the comprehensive quality of eco-environment, the pressure of eco-environment and the response of eco-environment in Jiangxi province, but there is not Granger causality relationship between the comprehensive level of urbanization and the state of eco-environment. Meanwhile, the effects result from both itself and the comprehensive level of urbanization for the comprehensive quality of eco-environment, the pressure of eco-environment and the response of eco-environment, but urbanization makes less negative impacts on them than the positive that of itself, and the change of comprehensive quality of eco-environment and the pressure of eco-environment will be stable until the performance reaches the 8th period because of their actions, but the undulation change of the response of eco-environment will gradually be intensified.