Governing the Governors: A Clinical Study of Central Bankssee press coverage by FT
with L. Frisell, K. Roszbach, Sveriges Riksbank Working Paper Series No 221, March 2008)
Fines, Leniency, Rewards and Organized Crime: Evidence from Antitrust Experiment
(with M. Bigoni, S. Fridolfsson, C. Le Coq, February 2008)
Risk Aversion, Prospect Theory, and Strategic Risk in Law Enforcement: 
Evidence From an Antitrust Experiment (with M. Bigoni, S. Fridolfsson, C. Le Coq, February 2008)
Internet Peering as a Network of Relationswith Steffen Lippert, January 2008)  
The Actual Structure of eBay's Feedback Mechanism and Early Evidence on the Effects
 of Recent Changes (with Tobias J. Klein, Christian Lambertz and Konrad O. Stahl, november 2007)
Corporate Governance and Collusive Behavior (with Paolo Buccirossi, March 2007, forthcoming in Dale W.
Collins (Ed.) Issues in Competition Law and Policy, 2007, Antitrust Section, American Bar Association.)
Relational Efficient Property Rights (with Mathias Blonski, February 2007, under revision for the Economic Journal) 
Reputational Commitments and Collusion in Procurement (with Giacomo Calzolari, October 2006)
Leniency and Whistleblowers in Antitrust (forthcoming as Ch. 12 of P. Buccirossi (Ed.),Handbook of Antitrust 
Economics, 2007, M.I.T. Press)
Antitrust Sanction Policy in the Presence of Leniency Programs
(with Paolo Buccirossi, november 2006, in Concurrences, N. 4, 2006)