On Conglameration of Economy, Employment Structure and their Impact on the Productivities of Chinese Regions & Cities

We bring an agglomeration economies function including urban employ -ment structure into a Cobb-Douglas production function and analysis the influence of regional employment structure and agglomeration economies on the productivity in eastern, central, western cities of china during 1997 to 2003. The results show: Because of different industrial structure, agglomeration economies variance in region -nal cities; The Dense population of eastern city lead to lower the city productivity.