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		| Benjamin Tetteh Anang | 
	
		| University of Helsinki | 
	
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		| Department of Economics and Management | 
	
		| Latokartanonkaari 5 | 
	
		| University of Helsinki | 
	
		| Helsinki,  FI-00014 | 
	
		| Finland | 
	
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		| benjamin.anang@helsinki.fi | 
	
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		| JEL Areas: Q0 : Agricultural and Natural Resource Economics; Environmental and Ecological Economics: General
 R3 : Production Analysis and Firm Location: General
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