We provide a framework for empirical analysis of negotiated-price markets. Using mortgage market data and a search and negotiation model, we characterize the welfare impact of search frictions and quantify the role of search costs and brand loyalty for market power. Search frictions reduce...

One of the most significant and robust characteristics of decision making is persistence. An example of this is brand loyalty -- the repeat purchase of new products of the same brand. This paper attempts to show that previous explanations of this phenomenon (switching costs, habit and unobserved...

Trademark dilution needs to be rethought to ensure that it enhances social welfare. Blurring should only be considered harmful when it increases consumer search costs. The fact that a trademark calls to mind two different products should not itself be considered actionable. Blurring only causes...