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Die Europäische Union, die Östliche Partnerschaft und “Assoziierung Plus”: zur Debatte über die Einbindung assoziierter Nachbarn unterhalb einer EU-Mitgliedschaft, Integration, Vol. 42, No. 3, 2019: 205-217.
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Crisis, Coordination and Coherence: European Decision-Making and the 2015 European Neighbourhood Policy Review, The European Foreign Affairs Review, Vol. 24, No. 4, 2019: 447-468 (with Mark FURNESS and Thomas HENOEKL).
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Die Europäische Union, die Östliche Partnerschaft und “Assoziierung Plus”: zur Debatte über die Einbindung assoziierter Nachbarn unterhalb einer EU-Mitgliedschaft integration, Vol. 42, No. 3: 205-217.
- The Politics of Flexibility: Exploring the Contested Statehood–EU Actorness Nexus in Georgia, Geopolitics, 2018 (with Madalina DOBRESCU).
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The Long-Suffering Europeans Trying to Save the Iran Deal, New Republic, 3 May 2018.
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The Routledge Handbook on the European Neighbourhood Policy, Oxon, Routledge, 2018 (with Andreas MARCHETTI and Thomas DEMMELHUBER).
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The European Neighbourhood Policy: The challenge of demarcating a complex and contested field of study, in: Tobias SCHUMACHER, Andreas MARCHETTI and Thomas DEMMELHUBER (eds.), The Routledge Handbook on the European Neighbourhood Policy, Oxon, Routledge, 2018, pp. 3-13.
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The EU, Middle Eastern powers and milieu-shaping in the ‘shared’ Arab Mediterranean neighbourhood: a story of mutual neglect, Contemporary Politics, Vol. 28, No. 1, 2018, pp. 46-64.
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"Mittelmeerpolitik", in: Werner WEIDENFELD, Wolfgang WESSELS (eds.), Jahrbuch der Europäischen Integration 2018, Baden-Baden, Nomos, 2018, pp. 351-355.
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"Mittelmeerpolitik", in: Werner WEIDENFELD, Wolfgang WESSELS (eds.), Jahrbuch der Europäischen Integration 2017, Baden-Baden, Nomos, 2017, pp. 403-406.
- EU member states’ representation and positioning and the north-south divide in Euro-Mediterranean affairs, in: Richard GILLESPIE and Frederic VOLPI (eds.), The Routledge Handbook on Mediterranean Politics, Oxon, Routledge, 2017, pp. 85-96.
- The EU's Constructions of the Mediterranean (2003-2017), MEDRESET Working Papers 3, 2017 (with Münevver CEBECI).
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Southern Europe – Portugal, Spain, Italy, Malta, Greece, Cyprus in: Amelia HADFIELD, Ian MANNERS, Richard WHITMAN (eds.), The Foreign Policies of European Union Member States, Oxon, Routledge, 2017, pp. 83-98 (with Madalina DOBRESCU and Stelios STAVRIDIS).
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"Mittelmeerpolitik", in: Werner WEIDENFELD, Wolfgang WESSELS (eds.), Jahrbuch der Europäischen Integration 2016, Baden-Baden, Nomos, 2016, pp. 377-381.
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Differentiation in EU-Neighbourhood Relations, in: IEMED (ed.), Euromed Survey of Experts and Actors. European Neighbourhood Policy Review: The European Union's Role in the Mediterranean, Barcelona, IEMED Press, 2016, pp. 34-41.
- The Revised European Neighbourhood Policy: Continuity and Change in EU Foreign Policy, Basingstoke, Palgrave Macmillan, 306 p., 2017 (with Dimitris BOURIS).
- Deconstructing the EU’s Discourse on the Mediterranean, MEDRESET Methodology and Concept Papers, no. 2, October 2016. (with Münevver CEBECI).
- Of policy entrepreneurship, bandwagoning and free-riding: EU member states and multilateral cooperation frameworks for Europe’s southern neighbourhood, Global Affairs, Vol. 2, No. 4, 8 Oct 2016 (with Dimitris BOURIS and Maja OLSZEWSKA).
- Armenia, Azerbaijan and the Nagorno-Karabakh conflict: why the ‘black garden’ will not blossom any time soon, Security Policy Briefs, Egmont, 19 April 2016.
- Back to the Future: The ‘New’ ENP towards the Southern Neighbourhood and the End of Ambition, College of Europe Policy Brief Series (CEPOB), 1/2016.
- "Mittelmeerpolitik", in: Werner WEIDENFELD, Wolfgang WESSELS (eds.), Jahrbuch der Europäischen Integration 2015, Baden-Baden, NOMOS, 2015, pp. 325-329.
- From Survival to Revival: The Riga Summit 2015 and the revised ENP, Security Policy Brief series, Egmont, July 2015 (with Suzana CARP).
- How to make the European Neighbourhood Policy fit for purpose, Europe's World, 25 June 2015.
- Uncertainty at the EU’s borders: narratives of EU external relations in the revised European Neighborhood Policy towards the southern borderlands, European Security, 2015, Vol. 24.
- Russia’s foreign policy towards North Africa in the wake of the Arab Spring, in: Mediterranean Politics, Vol. 20(1), 2015, pp. 97-104 (with Cristian NITOIU).
- The EU and Democracy Promotion: Readjusting to the Arab Spring, in: Larbi SADIKI (ed.), The Routledge Handbook on the Arab Spring, Oxon, Routledge, 2015, pp. 559-573.
- "Nahost- und Mittelmeerpolitik", in: Werner WEIDENFELD, Wolfgang WESSELS (eds.), Jahrbuch der Europäischen Integration 2014, Baden-Baden, NOMOS, 2014.
- Letter from Tblisi, openDemocracy, 2 December 2014.
- "Nahost- und Mittelmeerpolitik", in: Werner WEIDENFELD, Wolfgang WESSELS (eds.), Jahrbuch der Europäischen Integration 2013, Baden-Baden, NOMOS, 2013, pp. 299-306.
- Ukraine, the west, and the issue of strategic thinking, openDemocracy, 5 March 2014.
- The EU, North Africa, and Euro-Maghreb Cooperation. Five Considerations in Light of the Revised European Neighborhood Policy, in: Erzsébet N. RÓZSA and Máté SZALAI (eds.): Raising Awareness - Finding Common Ground: The V4 and the Maghreb, Budapest, HIIA, 2014, pp. 7-20.
- The EU, GCC Countries and the Mediterranean Neighbourhood. Towards Synergetic Cooperation?, Gulf Research Center, Gulf Papers, 14 August 2013 (with Irene FERNÁNDEZ MOLINA).
- The EU becomes assertive in the Middle East peace process, openDemocracy, 25 July 2013 (with Dimitris BOURIS).
- Ukraine and the EU: where to?, New Europe, 2 December 2012 (with Michał NATORSKI).