关键词: 引力模型 , 边境效应 , 区域经济一体化 , 东盟自由贸易区

Abstract: By using the national border effect to determine the trading extent of free trade zones and other countries or regions, and studying 10 years of cross-sectional data from 2000 to 2009, this paper verified that trade barriers and national border effects had generally decreased between the countries of the ASEAN regional However, ASEAN, as a whole, had continued to enhance the national border effect with other major trading countries of the world Further, they could fully reflect that integration process of ASEAN had been improving In addition, this paper discovered that, unlike homogenization of national structure in other free trade region, the ASEAN region included developed countries, such as Singapore and Thailand, and developing countries, such as Myanmar, Cambodia Such kind of national structure would definitely lead to differentiation of trade The situation had reflected disharmony and differentiation inside the ASEAN

Key words: gravity model , national border effect , integration of regional economic , ASEAN free trade area