"The Law and Economics of Canadian Competition Policy."  With Michael Trebilcock, Ralph Winter, Paul Collins, and Edward Iacobucci.  The University of Toronto Press in conjunction with CRA International, 2002.

"The Economics of Liability for Nuclear Accidents."  With Ralph A. Winter and Michael Trebilcock. International Review of Law and Economics, forthcoming.

"Exclusivity Restrictions and Intellectual Property." With Ralph A. Winter and Patrick Rey, in Anderson and Gallini (eds.), Competition Policy and Intellectual Policy, forthcoming. 

"The Law and Economics of Resale Price Maintenance" With Franklin Mathewson and Ralph Winter. Review of Industrial Organization Volume 13, nos. 1-2, 57-84, April 1998.  

“Exclusivity Restrictions and Intellectual Property.” With Ralph A. Winter and Patrick Rey. In Anderson and Gallini, eds., Competition Policy and Intellectual Policy, University of Calgary Press, 1998. 

"Tying as a Response to Demand Uncertainty." With Ralph Winter and Franklin Mathewson. Rand Journal of Economics, Volume 28, No. 3, pp. 566-583, 1997. 

"Colluding on Relative Prices." With Ralph Winter, Rand Journal of Economics 28:2, Summer 1997.  

"Buyer Groups and Exclusivity: Towards a Theory of Managed Competition." With Ralph Winter and Franklin Mathewson. International Journal of Industrial Organization, Volume 15, No. 2, pp. 137-164, 1997.

"Output Shares in Bilateral Agency Problems." With Ralph Winter and H. Neary. Journal of Economic Theory, 1995.  

"Territorial Rights in Franchise Contracts." With G. Franklin Mathewson and Ralph Winter. Economic Inquiry Volume 32, No. 2, 181–192, 1994.