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		| First Author:
 
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		| Jacques  SILBER | 
	
		| Bar-Ilan University | 
	
		| jsilber_2000@yahoo.com | 
	
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		| Department of Economics, Bar-Ilan University | 
	
		| Ramat Gan, 52900, Israel | 
	
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		| 97235318363(Phone) | 
	
		| 97235318363(Fax) | 
	
		| http://www.biu.ac.il/soc/ec/silber.html | 
	
	
		| Second Author: 
 
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		| Meital  Hanoka | 
	
		| Bar-Ilan University (Ph.D. student) | 
	
		| meitalhanoka@hotmail.com | 
	
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		| Department of Economics, Bar-Ilan University | 
	
		| Ramat-Gan, 52900, Israel | 
	
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		| 97235318345(Phone) | 
	
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		| Third Author: 
 
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		| Joseph  Deutsch | 
	
		| Bar-Ilan University | 
	
		| jdeutsch@mail.biu.ac.il | 
	
		|  | 
	
		| Department of Economics, Bar-Ilan University | 
	
		| Ramat-Gan, 52900, Israel | 
	
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		| 97235318363(Phone) | 
	
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