European Union Diplomacy: Coherence, Unity and Effectiveness. Brussels: P.I.E. Peter Lang, 2012 (edited with Dieter Mahncke). [Flyer]

"Informal governance and the G8", in International Handbook on Informal Governance. Edited by Thomas Christiansen & Christine Neuhold, Cheltenham: Edward Elgar, 2012, 255-275.

"What's at Stake in the Internal Market? Towards a Neighourhood Economic Community", in Challenges of the European Neighbourhood Policy. Edited by Erwan Lannon, Brussels: P.I.E. Peter Lang, 2012, 85-108.

"EU Diplomacy after Lisbon: More Effective Multilateralism?", The Brown Journal of World Affairs, 17(2), 2011, 181-191.

Liechtenstein and the EEA: the Europeanization of a (very) small state. Rapport No. 18, Oslo: Europautredningen, 2011 (with Christian Frommelt).

"Liechtenstein vor der Herausforderung der Europäisierung", in 25 Jahre Liechtenstein-Institut (1986-2011). Edited by Liechtenstein-Institut, Schaan: Verlag der LAG, 2011, 171-200 (with Christian Frommelt).