- Opinion Pieces:
- “The costs of a ‘new Cold War’ are higher than you think” (with Stergios Skaperdas and William Wohlforth). Blog post for Political Violence at a Glance, October 5, 2020 https://politicalviolenceataglance.org/2020/10/05/the-costs-of-a-new-cold-war-are-higher-than-you-think/
- “Μέσα και έξω από την αυλή.” ΚΑΘΗΜΕΡΙΝΗ, September 25, 2020. https://www.kathimerini.gr/society/561092803/mesa-kai-exo-apo-tin-ayli/
- “After the Greek financial crisis, Greeks are more mistrustful of others – especially non-Greeks” https://www.washingtonpost.com/news/monkey-cage/wp/2018/10/23/after-the-greek-financial-crisis-greeks-are-more-mistrustful-of-others-especially-non-greeks/?utm_term=.23fa2f387632 October 23, 2018.
- “Why the Greeks Rejected Europe’s Bailout.” http://www.washingtonpost.com/blogs/monkey-cage/wp/2015/07/06/why-the-greeks-rejected-europes-bailout/ July 6, 2015.
- “Is GREXIT a Threat to Greece’s Security?” (with Ioannis Galariotis). http://www.washingtonpost.com/blogs/monkey-cage/wp/2015/05/03/is-grexit-a-threat-to-greeces-security/ May 3, 2015.
- “Is Inclusive Politics Possible Amid Sectarian Violence in Iraq?” Online publication in: http://www.theglobalobservatory.org/analysis/425-is-inclusive-politics-possible-amid-sectarian-violence-in-iraq.html [Thursday, January 31, 2013].
- “Has ‘Europe’ Failed?” New York Times, August 27, 2012, p. A19. Available here: https://www.nytimes.com/2012/08/27/opinion/has-europe-failed.html
- “Maliki Isn’t the Problem: The Roots of Sectarianism in Iraq” (with Kevin Russell). Foreign Affairs. June 24, 2014.
- “Partitions in Practice: The Case Against Dividing Iraq” (with Jonah Schulhofer-Wohl). Foreign Affairs. December 1, 2014.
- “It’s Official: There Is Now a Civil War in Iraq,” New York Times, Sunday, July 23, 2006.
- “What is Civil War and How Should We Measure It?” APSA-CP Newsletter, volume 18, issue 2, summer 2007, pp. 22-25.
- “A Note on the Death Threshold in Coding Civil War Events,” Newsletter of the Conflict Processes Section of the APSA (June 2001).
- Policy Reports:
- “Power-sharing and peace-building.” Economic Research Forum Working Paper No. 1396, June 2020.
- “Explaining the Demand for Sovereignty” (with Branko Milanovic). World Bank Policy Research Working Paper No 5888. November 2011.
- “Conflict and Development in the Middle East and North Africa” (with Julia Choucair-Visozo). Background paper prepared for the World Bank MNA Flagship Study on Peace, Stability, and Development. September 2010.
- “Disarmament, Demobilization, and Reintegration (DDR) Programs and Civil War Recurrence: A Review” (with Jonah Schulhofer-Wohl). February 2010. Policy Paper prepared for the Folke Bernadotte Academy, Sweden.
- “The Political Economy of Internal Armed Conflict in the Middle East & North Africa” (with Ellen Lust-Okar. Paper prepared for the World Bank’s Post Conflict Trust Fund; Project: Development Assistance and Conflict Vulnerability in the MNA Region: A Policy Research and Study Proposal.
- “A Review of the Design and Evaluation of Disarmament, Demobilization, and Reintegration (DDR) Programs.” Background paper prepared for the World Bank Development Research Group. October 2005.