First Author:   Erez Siniver The College of Management sinivr@colman.ac.il   7, Yitzhak Rabin Boulivard,, 7, Yitzhak Rabin Boulivard,, P.O.Box 9017, Rishon Letzion, 75190, Israel   972-52-3515713(Phone) 972-52-3515713(Fax) Second Author: Gil S. Epstein Bar-Ilan University, IZA Bonn and CReAM, London gil.epstein@biu.ac.il   Bar-Ilan University, Department of Economics Ramat- Gan, 52900, Israel