Institution, opening-up,agglomeration and the efficiency of China's economic development 并列题名：Institution, opening-up,agglomeration and the efficiency of China's economic development Industrial agglomeration and the regional economic development Knowledge spillover, city agglomeration and China's regional economic development Knowledge spillover, city agglomeration and China's regional economic development. Investigation and evaluation report on the quality of China's park economic development institutional change of public finance and modern economic development