Search Results       Your search for [subject]Product differentiation -- United States -- Econometric models returned 1 record.           Preference externalities : an empirical study of who benefits from whom in differentiated product markets. by Waldfogel, Joel.; Cambridge: National Bureau of Economic Research, 1999. Subject: Product differentiation -- United States -- Econometric models; Consumers' preferences -- United States -- Econometric models; Ethnic radio broadcasting -- United States -- Econometric models.          Add to Book Cart Relevance: 35.55%