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		| Dongling  Huang and Christian  Rojas | 
	
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		| ''The Outside Good Bias in Logit Models of Demand with Aggregate Data'' | 
	
		| ( 2013, Vol. 33 No.1 ) | 
	
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		| The logit model is the most popular tool for estimating demand in differentiated products markets. However, in its aggregate version, practitioners have to “guess” the size outside good. We propose a way to remove the bias created by an inaccurate guess in simpler versions of the model. | 
	
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		| Keywords: Logit model,  demand estimation,  outside good,  differentiated products | 
	
		| JEL: C1 - Econometric and Statistical Methods: General D4 - Market Structure and Pricing: General
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		| | Manuscript Received : Jul 26 2012 |  | Manuscript Accepted : Jan 23 2013 | 
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