First Author:   Hillel Rapoport CREDPR, Department of Economics, Stanford University, and Bar-Ilan University hillelr@stanford.edu   CREDPR, Department of Economics, Stanford University, Landau Economics Bldg. Stanford, 94305-6015, USA   (650) 723 1483(Phone) (650) 723 1483(Fax) http://credpr.stanford.edu/people/rapoport.html