Research on the effect of regional economic growth and disparity in China 并列题名：Research on the effect of regional economic growth and disparity in China Research on the agglomeration of regional economic growth efficiency and regional disparity in China research on modeland path of regional economic development in western China Research on the development of regional growth pole in China Research on regional economic development guality in China Research on welfare effect of regional industrial transfer in China Research on the international trade and income disparity in China Research on the impact of regional human capital allocation on economic growth in China Disparities and convergence of regional economic growth in China