"The Law and Economics of Costly Contracting" (w/J. Watson), 20 Journal of Law, Economics and Organization 2 (2004)
"Contract Theory and the Limits of Contract Law" (w/R. Scott), 113 Yale Journal 541 (2003)
"Optimal Penalties in Contracts" (w/A. Edlin), 78 Chicago Kent Law Review 101 (2002)

Books:

Fundamentals of Contract Law (with R. Craswell), 1994
Payment Systems and Credit Instruments (with C. Gillette and R. Scott), 1996

Commercial Law: Principles and Policies (with R. Scott), 1982, 2nd ed., 1991
Sales Law and the Contracting Process (with R. Scott), 1982, 2nd ed., 1991