Shane Greenstein Northwestern University Kellogg School of Management, Northwestern University 2001 Sheridan Road USA greenstein@kellogg.northwestern.edu http://www.kellogg.nwu.edu/faculty/greenstein/ Biographical Sketch: Shane Greenstein is the Elinor and Wendell Hobbs Professor in the Management and Strategy Department of the Kellogg School of Management at Northwestern University. He teaches courses on strategy in technology-intensive industries and markets. Primary Research Focus : Empirical industrial economics and innovation JEL Areas : L1:Market Structure, Firm Strategy, and Market Performance: General O3:Technological Change; Research and Development: General