o Current Working Papers
and Group Formation in Markets [pdf], (with
Sharing Risk and Ambiguity [pdf], (with L. Rigotti), Journal of Economic Theory, 147(5), pp. 2028-2039.
Knightian Uncertainty and Moral Hazard, (with G. Lopomo and L. Rigotti), Journal of Economic Theory, 146(3), pp. 1148-1172.
Subjective Beliefs and Ex-Ante Trade [pdf], (with L. Rigotti and T. Strzalecki), Econometrica, 76(5), pp. 1167-1190.
Determinacy and Indeterminacy of Equilibrium [pdf], The New Palgrave Dictionary of Economics, 2nd Edition.
What to Maximize if You Must [pdf], (with A. Heifetz and Y. Spiegel), Journal of Economic Theory, 133(1), pp. 31-57.
The Dynamic Evolution of Preferences [pdf], (with A. Heifetz and Y. Spiegel), Economic Theory, 32(2), pp. 251-286.
A Prevalent Transversality Theorem for Lipschitz Functions [pdf], Proceedings of the American Mathematical Society, 134(9), pp. 2755-2765.
Quadratic Concavity and Determinacy of Equilibrium, (with B. Zame) Econometrica, vol. 70(2), pp. 631-662. earlier version (with more examples)
Stability, and Comparative Statics in Rationalizable Walrasian Markets,
(with D. Brown) Econometrica, vol. 68(6), pp. 1529-1540.
Determinacy of Competitive Equilibria in Economies with Many Commodities, Economic Theory, vol. 14, pp. 29-87.
Strict Single Crossing and the Strict Spence-Mirrlees Condition, (with A. Edlin) Econometrica, vol. 66(6), pp. 1417-1426.
o Older Working Papers
Generalized Convex Games (with P. Milgrom), August 1996