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PhD in International Relations by the Autonomous University of Barcelona. He is a lecturer in IR at the same university and a researcher at the Observatory of European Foreign Policy. He is doing research on the impact of international institutions on EU policies and policy-making processes, and on foreign relations in the field of the environment. He was a postdoctoral visiting researcher at the Arbeitsstelle Europäische Integration (OSI) of the Freie Universität Berlin from September 2007 to September 2009. He has co-edited a book on The influence of international institutions on the EU. When multilateralism hits Brussels with Knud Erik Jørgensen (2012, Palgrave). He has also published in Politische Vierteljahresschrift (2011), Mediterranean Politics (2010), European Security (2010), European Foreign Affairs Review (2009), the Journal of European Public Policy (2009), Cooperation & Conflict (2009), European Foreign Affairs Review (forthcoming), Cambridge Review of International Affairs (2008), South European Society & Politics (2006), and Revista Española de Derecho Internacional (2002), as well as edited volumes by Paul Harris (2009) and Esther Barbé (2005)

Background and education

  • () PhD Relaciones Internacionales, Universitat Autònoma de Barcelona


  • International Environmental Politics
  • International Relations Theory


Research Interests

  • International institutions and their influence on the EU
  • International environmental politics
  • EU foreign policy


  • Costa, Oriol (2010), “Convergence on the fringe: The environmental dimension of Euro-Mediterranean co-operation”, Mediterranean Politics, 15(2), 149-168.
  • Costa, Oriol (2010), “The Unexpected EU Leadership on Landmines. The influence of the Ottawa Convention on the EU”, European Security, 18(3), 245-261.
  • Barbé, Esther; Costa, Oriol; Herranz Surrellés, Anna; Natorski, Michal (2009), “Which rules shape the EU's external governance? Patterns of rule selection in foreign and security policies”, Journal of European Public Policy, 16(6), 834-882.
  • Barbé, Esther; Costa, Oriol; Herranz Surrallés, Anna; Johansson-Nogués, Elisabeth; Natorski, Michal; Sabiote, Maria A. (2009) “Drawing the neighbours closer ... to what? Explaining emerging patterns of policy convergence between the EU and its neighbours”, Cooperation and Conflict, 44(4), 378-399.
  • Costa, Oriol (2008), “Is Climate Change Changing the EU? The Second Image Reversed in Climate Politics”, Cambridge Review of International Affairs, vol 21 (4), 527-544.
  • Costa, Oriol and Jørgensen, Knud Erik (eds) (2012), The influence of international institutions on the EU. When multilateralism hits Brussels, Houndmills Basingstoke Hampshire: Palgrave Macmillan