• The Economics of Trade Agreements in the Linear Cournot Delocation Model (with Robert Staiger), October 2009.
  
  
• The WTO: Theory and Practice (with Robert Staiger), October 2009.


• What Do Trade Negotiators Negotiate About? Empirical Evidence from the World Trade Organization (with Robert Staiger), revised July 2009
  

• Delocation and Trade Agreements in Imperfectly Competitive Markets (with Robert Staiger), October 2009
  

• Profit Shifting and Trade Agreements in Imperfectly Competitive Markets (with Robert Staiger), March 2009
  

• Self-Enforcing Trade Agreements and Private Information, February 2009
  

• Advertising and Collusion in Retail Markets (with Gea Lee), June 2008

      Additional materials for Advertising and Collusion in Retail Markets.

• Trust, Reciprocity and Favors in Cooperative Relationships (with Atila Abdulkadiroglu), April 2007
  

• Backward Stealing and Forward Manipulation in the WTO (with Robert Staiger), Revised September 2006
  

• The Case for Auctioning Countermeasures in the WTO (with Petros Mavroidis and Robert Staiger), July 2006 (working paper version)
  

• Signaling and Entry Deterrence: A Multi-dimensional Analysis, January 2006 (working paper version)
  

• Look How Little I'm Advertising! (with Per Baltzer Overgaard), September 2005
  

• National Sovereignty in an Interdependent World (with Robert Staiger), December 2003