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		| Amita  Majumder | 
	
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		| ''A characterization of the composite price variable to approximate a price aggregator function in the Quadratic Almost Ideal Demand System'' | 
	
		| ( 2009, Vol. 29 No.3 ) | 
	
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		| In investigating linear approximations to the Quadratic Almost Ideal Demand System (QUAIDS), Matsuda (2006) proposed a composite variable to approximate a price aggregator function. This paper provides an axiomatic characterization of this composite price variable. | 
	
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		| Keywords: QUAIDS,  Linear approximation,  Price aggregator,  Characterization | 
	
		| JEL: C4 - Econometric and Statistical Methods: Special Topics D1 - Household Behavior: General
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		| | Manuscript Received : Jul 22 2009 |  | Manuscript Accepted : Aug 20 2009 | 
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