Regional arrangements, securitization, and transnational security challenges: the African Union and the Association of Southeast Asian Nations compared

This article seeks to contribute to debates about how regional arrangements construct and respond to threat agendas. It does so by using the literature on the concept of securitization to explore the processes through which the African Union (AU) and the Association of Southeast Asian Nations (ASEAN) have dealt with contemporary transnational challenges. After providing an overview of the Copenhagen School's (CS) understanding of securitization, we examine the main problems and limitations that emerge when attempting to apply the concept of securitization to regional arrangements in the developing world. The article explores in particular the extent to which the AU and ASEAN have securitized the transnational challenges on their agendas. We conclude that in both cases the impact of security culture as well as unresolved conceptual and methodological issues raise significant questions when seeking to apply securitization theory outside of Europe