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		| First Author:
 
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		| Paul  Makdissi | 
	
		| Département d'économique and CEREF, Université de Sherbrooke | 
	
		| paul.makdissi@USherbrooke.ca | 
	
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		| Département d'économique - FLSH, Université de Sherbrooke, 2500, boulevard de l'Université | 
	
		| Sherbrooke, J1J 1G6, Canada | 
	
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		| (819) 821-8000 ext 2269(Phone) | 
	
		| (819) 821-8000 ext 2269(Fax) | 
	
		| http://callisto.si.usherb.ca:8080/makdissi/makdissi.html | 
	
	
		| Second Author: 
 
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		| Quentin  Wodon | 
	
		| LCSPR, World Bank | 
	
		| qwodon@worldbank.org | 
	
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		| LCSPR, World Bank, 1818 H Street, NW | 
	
		| Washington, 20433, United States of America | 
	
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		| (202)473-1446(Phone) | 
	
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