Between intergovernmentalism and socialisation: the Brusselisation of ESDP

In general, ESDP (European Security and Defence Policy) and its policy- and decision-making process pose a challenging puzzle for the theoretical research agenda of European integration studies. Even though ESDP is intergovernmentally constructed, classical (neo-) realist approaches seem to be unable to catch the full dynamics of the project. Institutionalist and social constructivist approaches, which underline the importance of norms, values and identity in the complex decision-making process of ESDP, add fruitful insights in many regards. This paper applies an institutionalist approaches based on the notion of socialisation and ‘Brusselisation’, which are analytically rich for analysing the ESDP decision-making process. The notion of Brusselisation is developed further into a theoretical concept that goes beyond the mere transfer of authority and expertise in the area of security and defence to the decision-making machinery in Brussels. This paper argues that socialisation processes of the involved actors constitute a completely new policy-making method and develops an approach to capture this new method. However, the fact that ESDP is intergovernmentally constructed and that the member states remain the main actors in this policy field is not contested. Particularly in the day-to-day management of ESDP, however, the Brussels-based bodies are increasingly in the driver’s seat, gain a sort of de facto initiative power and conduct the European defence policy guided by a logic of appropriateness and a new style of decision-making. This new and ‘brusselised’ style of decision-making is understood as being situated ‘between intergovernmentalism and socialisation processes’.

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