A key precept of brand extension theory is that brand extension, as opposed to new brand, reduces the risk of new product trial in experience goods categories. In this paper we argue that this property has specific testable implications for the dynamics of sales. In particular, in the movie...

The workhorse brand choice models in marketing are the multinomial logit (MNL) and nested multinomial logit (NMNL). These models place strong restrictions on how brand share and purchase incidence price elasticities are related. They predict market shares well, but not inter-purchase spell...