Overlapping Regionalism in Africa, the Americas, Asia and Europe Compared

在第二次世界大战和冷战之后，各国加强了多边合作，并越来越多地与邻国合作。今天，世界各地有70多个区域办事处。当区域组织分享成员国和政策能力时，我们说的是重叠的区域主义。虽然最近出现了一个比较区域主义的研究议程，重叠区域主义尚未得到学术界的关注。重叠的区域主义现象是普遍和重要的，这不是因为罗斯的政策和规则可能是不兼容的，并可能降低区域办事处的有效性。这个项目有助于填补我们的知识重叠区域主义方面的三个研究问题的空白：重叠区域主义如何随着时间和空间的演变？重叠的区域主义为何以及何时出现和增加？国家如何应对重叠的区域主义，这是否影响区域办事处的有效性？我们通过编制一个新颖而独特的数据库（1945-2015）来回答这些问题，在一个全面的理论框架的基础上开发一套假设，并使用先进的方法分析重叠区域主义的驱动因素和后果。

In the aftermaths of WWII and the Cold War, states have intensified multilateral collaboration and increasingly cooperated with states in their neighborhood. Today there are more than 70 ROs in all parts of world. When ROs share member states and policy competences, we speak of overlapping regionalism. While a comparative regionalism research agenda has been emerging recently, overlapping regionalism has not yet received much scholarly attention. The phenomenon of overlapping regionalism is widespread and important, not in the least since ROs’ policies and rules can be incompatible and might redue RO effectiveness. This project contributes towards filling gaps in our knowledge of overlapping regionalism in respect to three research questions: How has overlapping regionalism evolved over time and space? Why and when does overlapping regionalism occur and increase? How do states react to overlapping regionalism and does this affect the effectiveness of ROs? We answer these questions by compiling a novel and unique database (1945-2015), developing a set of hypotheses on the basis of a comprehensive theoretical framework, and analyzing drivers and consequences of overlapping regionalism with advanced methods.