title: Innovation economics. Where is Silicon Valley?
authors: Sloan School of Management, Massachusetts Institute of Technology, Cambridge, MA 02142, USA.
authors: Jorge
authors: J
authors: Guzman
authors: Sloan School of Management, Massachusetts Institute of Technology, Cambridge, MA 02142, USA. National Bureau of Economic Research, Cambridge, MA 02138, USA. sstern@mit.edu.
authors: Scott
authors: S
authors: Stern