Studies of productivity growth Index on the China´s Yangtze River Delta cities

This paper sets up a Malmquist Productivity Index system of economic growth to study the comprehensive capacities and important economic indicators for the 16 cities in the Yangtze River Delta Region. In the progress, it makes use of the Two-Stage Linear Programming techniques to estimate the distance functions in reflection of the regional economic frontier. Further, the paper analyzes productivity growth because of the scale effect and technical progress which cause the internal differences to move on the different levels. The paper concludes to provide strategic suggestions with the collaborations, mutual activities, and functional division for each city in the delta region.