Text-Based Network Industries and Endogenous Product Differentiation
---- Acknowledgements ----
This paper was previously circulated as "Dynamic Text-Based Industry Classifications and Endogenous Product Differentiation." We especially thank Dan Kovenock, Steve Martin, John Sutton and seminar participants at Aalto (Helsinki) School of Economics, HEC, IFN (Stockholm), Insead, ISTCE (Lisbon), London Business School, Notre Dame, Northwestern, Stanford, Stockholm School of Economics, University of Amsterdam, University of Southern California, University of Vienna and the Academy of Management meetings for helpful comments. All errors are the authors alone. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.