3Smith, D.C. ,&C.W.Park,The Effects of Brand Extensions on Market Share and Advertising Efficiency[J].loumal of Marketing Research, 1992, (29).
4Keller, Aaker D.The effect of sequential introduction of brand extension[J].Journal of Marketing, 1992,29 ( 1 ) : 35-50.
5Park, C.W., Milberg,S.,&Lawson, REvaluation of brand extensions:the role of product-level similarity and brand concept consistency[J]. Journal of Consumer Research, 1991,18 (2).