1.引言——区域性贸易协定的存在近几年来,世界各国在努力发展并加强世界多边贸易体系如 GATT 的同时,也在努力发展并加强区域性贸易协定。本文主要研究区域性贸易协定,如北美自由贸易协定(NAFTA)和欧盟(EU)等的扩散对于多边贸易体制的影响。本文还综合了一些关于该论题的实证性著作,以评价区域性贸易协定的扩散是否使得作为主导世 1. Introduction - The existence of regional trade agreements In recent years, while endeavoring to develop and strengthen the world’s multilateral trade system such as the GATT, all countries in the world are also striving to develop and strengthen regional trade agreements. This article focuses on the impact of regional trade agreements such as the proliferation of North American Free Trade Agreements (NAFTAs) and the European Union (EU) on the MTS. This article also incorporates a number of empirical works on this topic to assess whether the proliferation of regional trade agreements has led to the dominant