Rationing-Based Price Discrimination * Ruhai Wu Department of Economics, Florida Atlantic University, 500 NW California Boulevard, Port St. Lucie, FL 34986 Phone: (772)873-3356 Fax: (772)873-3388 rwu1@fau.edu Xianjun Geng Department of Information Systems and Operations Management, Box 353200, University of Washington Business School, Seattle, WA 98195 Phone: (206)543-3981 Fax: (206)543-3968 gengxj@u.washington.edu Andrew B. Whinston Center for Research in Electronic Commerce, Department of Information, Risk, and Operations Management, The McCombs School of Business, University of Texas, Austin, TX 78712 Phone: (512)471-7962 Fax: (512)471-0587 abw@uts.cc.utexas.edu * We are grateful to Maxwell B. Stinchcombe for helpful comments and discussions. 1