Symbiosis Model of Chinese Service Trade and Merchandise Tradein the Promotion of Economic Growth——DEA Test Based on Time Series Data of 1993—2008

In this article we carry out qualitative analysis of the prerequisite for the promotion of foreign trade to China's economic growth.The prerequisite is the coordinated development of service trade and merchandise trade.Data envelopment analysis(DEA) is used to empirically test China's annual time series data between 1993 and 2008.A unique symbiotic model of service trade and merchandise trade is worked out,that is,only harmonious coexistences of service trade and merchandise trade,and export(especially service export) and import can make foreign trade an 'engine' of China's economic growth.All these components are controlled within an appropriate scale.Finally,we make a recommendation of "three-slow-one-fast and structure upgrade" for China's foreign trade development.