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		| Torcia-chanelle  Banengaï koyama  | 
	
	
		| United Nations Economic Commission for Africa | 
	
	
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		| Abidjan | 
	
	
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		| Addis-Ababa, Please select... 66 | 
	
	
		| Ethiopia | 
	
	
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		| banengaichanelle@gmail.com | 
	
	
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		JEL Areas: O3 : Technological Change; Research and Development: General C5 : Econometric Modeling: General |