A Study On Ability Of Sustainable Development Of Foreign Trade Based On PCA-DEA Method In China

After joining the WTO, the trade volume increased significantly each year, by 2013, China for the first time surpassed the US to become the world's largest goods trading nation. In 2014, China's export value reached 26.43 trillion yuan, an increase of 2.3%, the largest goods trading nation status to further consolidate on the development of global trade has a vital role. In the case of downward pressure on the domestic economy and foreign trade to economic growth has played a vital supporting role. However, our extensive, type the number of foreign trade development mode also failed to completely change, foreign trade structure is still there is a big problem, the consequent lack of coordination between foreign trade and environmental protection and other issues. At the same time, we began to think that spur economic growth mode of foreign trade is sustainable, so this study evaluated the level of China's overall development capacity and the provincial foreign trade sustainable.The article first analyzes the theoretical basis for sustainable development of foreign trade of the evaluation, the first of capacity for sustainable development of foreign trade define, analyze and sustainable development of China's foreign trade of various factors, affect the results of foreign trade sustainable development mechanism, and then evaluate the ideas put forward sustainable development of foreign trade.Secondly, it analyzes factors combined capacity for sustainable development of foreign trade of China's Foreign Trade Sustainable Development Ability. Then build capacity for sustainable development of foreign trade evaluation system. Finally, empirical analysis and evaluation, first by the PCA method for the sustainable development of foreign trade ability to evaluate the overall analysis, and through the DEA model were compared to the capacity of sustainable development of foreign trade of 29 provinces, the provincial foreign trade sustainable results capacity development rankings. An Empirical Analysis of two conclusions:first, as a whole, China's capacity for sustainable development of foreign trade is gradually rising. Second, from the provincial foreign trade sustainable development ranking in foreign trade capacity for sustainable development of the top five are Shanghai, Zhejiang, Beijing, Guangdong and Fujian, the last five in Guizhou, Inner Mongolia, Shaanxi, Xinjiang and Qinghai. Capacity for sustainable development of foreign trade of the eastern region remains strong, foreign trade development of the situation is expected to continue to prosper; and the central region is relatively weak capacity for sustainable development of foreign trade, the need for trade or business in the form of structural improvement; sustainable trade in the western region development ability is poor.