1. Present-Bias, Quasi-Hyperbolic Discounting, and Fixed Costs, with Jess Benhabib and Andy Schotter, forthcoming on Games and Economic Behavior, 2010.
  2. Markets as Contracts, with J. Geanakoplos, P. Gottardi,  E. Minelli, H. Polemarchakis), 2010, forthcoming in Journal of Mathematical  Economics.
  3. Cultural Transmission, Socialization and the Population Dynamics of  Multiple State Traits Distributions, with Giorgio Topa and Thierry Verdier, International Journal of Economic Theory, 5(1), 139-154,  issue in honor of Jess Benhabib, March 2009.
  4. Managerial Hedging, Equity Ownership, and Firm Value, with Viral Acharya, Rand Journal of Economics, 40(1),  47-77, Spring 2009.    Appendix
  5. Are Muslim Immigrants Different in Terms of Cultural Integration?, with Eleonora Patacchini, Thierry Verdier, Yves Zenou, Journal of the European Economic Association, 6(2-3), 445-56, April-May 2008.     Errata Corrige
  6. Managerial Hedging and Portfolio Monitoring, with Piero Gottardi and Adriano Rampini, Journal of the European Economic Association, 6, 158209, 2008.
  7. Cultural Transmission,  with Thierry Verdier, The New Palgrave Dictionary of Economics, Second Edition, Steven Durlauf and Larry Blume, eds.  Palgrave Macmillan, 2008.
  8. Choice and Process: Theory ahead of Measurment, with Jess Benhabib, in  Perspectives on the Future of Economics: Positive and Normative Foundations, Vol. 1 in the Handbook of Economic Methodologies, Andrew Caplin and Andrew Schotter (Eds.), Oxford University Press, 2007.
  9. Efficient Competitive Equilibria with Adverse Selection, with Piero Gottardi,  Journal of Political Economy, 114(3), 2006.
  10. Exclusive Contracts and the Institution of Bankruptcy, with Adriano Rampini, Economic Theory, 27(2), 277-304, 2006.
  11. Markets as Beneficial Constraints on the Government, with Adriano Rampini, Journal of Public Economics, 90, 601-629, 2006.
  12. Rational Expectations Equilibria of Economies with Local Interactions, with Ulrich Horst and Onur Ozgur, Journal of Economic Theory, 127(1), 2006.
  13. Optimal Financial Integration and Security Design, with Viral Acharya, Journal of  Business, 78(6), 2397-433, 2005.
  14. Cooperation and Cultural Transmission, with Giorgio Topa and Thierry Verdier, Rationality and Society,  16, 477-507, 2004.
  15. An Empirical Analysis of Religious Homogamy and Socialization in the U.S, with Giorgio Topa and Thierry Verdier,  Journal of Political Economy, 112(3), 615-64, 2004.
  16. Modeling Internal Commitment Mechanisms and Self-Control: A Neuroeconomics Approach to Consumption-Saving Decisions, with Jess Benhabib, Games and Economic Behavior, Special Issue on Neuroeconomics, 52(2), 460-92, 2004.
  17.  Moral Hazard and Non-exclusive Contracts, with Danilo Guaitoli, Rand Journal of Economics, 35(2), 306-28, Summer 2004.
  18. Empirical Models of Cultural Transmission, with Giorgio Topa, Journal of the European Economic Association, 1(2), 363-75, 2003.
  19.  Competitive Equilibria with Asymmetric Information: Existence with Entry Fee, with Piero Gottardi, Review of Economics Dynamics, 6, 313-38, 2003
  20. The Economics of Cultural Transmission and the Evolution of Preferences, with Thierry Verdier, Journal of Economic Theory, 97(2), 298-319, 2001.
  21. Agents with Imperfect Empathy May Survive Natural Selection, with Thierry Verdier, Economics Letters, 71, 277-85, 2001.
  22. Models of Cultural  Transmission, Voting and Political Ideology,  with Thierry Verdier,  European Journal of Political Economy, 16, 5-29, 2000.
  23. Beyond the Melting Pot: Cultural Transmission, Marriage, and the Evolution of Ethnic and Religious Traits,  with Thierry Verdier, Quarterly Journal of Economics, CXV(3), 955-988, 2000.
  24. General Competitive Analysis with Asymmetric Information, with Piero Gottardi, Journal of Economic Theory, 87(1), 1-48, 1999.
  25.   with Thierry Verdier,  Journal of Public Economics, 70, 75-97, 1998.
  26. At The Roots of Indeterminacy, in P.P. Battigalli et al., Markets and Games, Basil Blackwell, 1998.
  27. A Note on Convergence to Competitive Equilibria in Economies with Moral Hazard, with Piero Gottardi and Danilo Guaitoli, in The Theory of Markets,  P.J.J. Herings, G. van der Laan, and A.J.J. Talman (eds.), North Holland, Amsterdam, 1998.
  28. General Equilibrium with Endogenously Incomplete Financial Markets, Journal of Economic Theory, 82(1), 19-45, 1996