一、引言 近来全球在地区合作和经济一体化方面的兴趣不断增长,这主要是由于欧洲和北美成功尝试的结果。它表明,通过地区联合来增强实力或许是一个国家增强其在国际市场竞争力的最优选择。目前,已有100多个地区性协定,涉及到世界上大多数国家(Ethier,1998)。东北亚是惟一没有任何形式地区协定的地区。 东北亚地区的政治、经济和社会发展使人们注意到需要加强地区合作,进一步形成地区经济一体化。WTO的建立就是 I. INTRODUCTION Recent global interest in regional cooperation and economic integration has been on the rise, largely as a result of successful attempts in Europe and North America. It shows that enhancing the strength through regional coalitions may be the best choice for a country to enhance its competitiveness in the international market. At present, there are more than 100 regional agreements covering most countries in the world (Ethier, 1998). Northeast Asia is the only area that has no regional agreements of any kind. The political, economic and social development in northeast Asia have drawn people’s attention to the need to strengthen regional cooperation and further the formation of regional economic integration. The establishment of the WTO is