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		| Stephan  Marette | 
	
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		| ''Is a Minimum Quality Standard Socially Optimal?'' | 
	
		| ( 2008, Vol. 12 No.39 ) | 
	
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		| This paper explores the role of a minimum quality standard when the quality choice is discrete. A minimum quality standard is never a socially optimal policy under Bertrand and Cournot competition. Conversely, it is often optimal to subsidize or tax the high quality in order to implement different firms' choices corresponding to a situation of welfare maximization. | 
	
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		| Keywords: | 
	
		| JEL: L5 - Regulation and Industrial Policy: General 
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		| | Manuscript Received : Oct 27 2008 |  | Manuscript Accepted : Dec 14 2008 | 
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