"Intermediaries, Credibility and Incentives to Collude" (with E. Peyrache), Journal of Economics and Management Strategy (2011), Vol. 20(4), pp. 1099 -1113.
"Petroleum Contracts: What does Contract Theory Tell Us?" (with Philippe Aghion), in Hogan, W. and F. Sturzenegger (eds.) The Natural Resources Trap: Private Investment without Public Commitment, MIT Press, 2010.
"The Ownership of Ratings" (with A. Faure-Grimaud and E. Peyrache), Rand Journal of Economics (2009), Vol. 40(2), pp. 234-257.
"Concession Contract Renegotiations: Some Efficiency vs. Equity Dilemmas" (with A. Estache), Public Policy Research Working Paper (2001).
Financial Contracting with an Informed Investor (with E. Peyrache).
Collusion as an Informed Principal Problem
Trade Balance Constraints and Optimal Regulation: Theory and a CGE Illustration (with O. Chisari).