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