Analysis the BTH region harmonizing logistics developing based on SD model

The Beijing-Tianjin-Hebei region (BTHR) is one of the largest industry-intensive areas in china, but its economic development level has lagged behind the Yangtze River Delta and the Pearl River Delta. Speeding up regional economic integration in the BTHR, enhancing its overall competitiveness and realizing its regional logistics integration will be good for the regional economic development. This paper analyzes the cooperation development of the regional logistics and economic by SD model, and explores economies of scale and social benefit in the BTHR.