Συζήτηση για την οικονομία (με τους Δ. Βαγιανό, Κ. Μεγήρ και τον δημοσιογράφο Στ. Θεοδωράκη), 10 Ιουνίου 2012
Introduction to J. Geanakoplos, AUEB honorary doctorate ceremony, June 2011
Introduction to Ch. Pissarides, AUEB honorary doctorate ceremony, May 2011
“Competition and Regulation in the Products Markets under the Greek Economy Crisis” (in Greek), in The International Crisis, the Eurozone Crisis and the Greek Banking System, ed. by G. Hardouvelis and Ch. Gortsos, Hellenic Bank Association, 2011
Greek reforms can yet stave off default, with Costas Meghir (Yale and UCL) and Dimitri Vayanos (LSE), Financial Times, August 23, 2010
The economic crisis in Greece: A time of reform and opportunity, with Costas Meghir (Yale and UCL) and Dimitri Vayanos (LSE), www.greekeconomistsforreform.com, August 6 2010, in Greek
“On the Economics of Vertical restraints”, report by the Economic Advisory Group for Competition Policy, with Massimo Motta, Patrick Rey, Frank Verboven. European Commission, DG-Competition, Brussels, 2009
“Developments in Competition Policy in the European Union and in Economic Science”, Evropaion Politeia (in Greek, volume 3/2007, pp. 799-813, Sakkoulas Publishers, Athens, www.europoliteia.gr .
“Non-Horizontal Merger Guidelines: Ten Principles”, A Report by the Economic Advisory Group for Competition Policy, with Marc Ivaldi, Bruce Lyons, Monika Schnitzer, John Van Reenen, Frank Verboven, Xavier Vives. European Commission, DG-Competition, Brussels, 2006
“New Economy” (volume in Greek with extended abstracts in English, in the Studies in Economic Policy Series), ed. by K. Gatsios, Y. Katsoulakos and N. Vettas, IΜΟΠ, 2005
“Inefficient Expansion and Policy Issues in Dynamic Markets” (in Greek), pp. 41-61 in Environment and Economic Policy, edited by E. Petrakis and A. Xepapadeas), IΜΟΠ, 2003.