Text-Based Network Industries and Endogenous Product Differentiation
نویسندگان
چکیده
منابع مشابه
Text-Based Network Industries and Endogenous Product Differentiation
All us We study how firms differ from their competitors using new time-varying measures of product similarity based on text-based analysis of firm 10-K product descriptions. This year-by-year set of product similarity measures allows us to generate a new set of industries in which firms can have their own distinct set of competitors. Our new sets of competitors explain specific discussion of hi...
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We study how firms differ from their competitors using new dynamic measures of product differentiation based on novel text based analysis of 50,673 product descriptions from firm 10-K statements filed yearly with the Securities Exchange Commission. This year-by-year set of firm product differentiation measures allows us to generate a set of dynamic industry classifications and new measures of i...
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ژورنال
عنوان ژورنال: Journal of Political Economy
سال: 2016
ISSN: 0022-3808,1537-534X
DOI: 10.1086/688176