Entry, exit and patenting in the software industry
By: Iain M. Cockburn, Megan J.MacGarvie.
Contributors: MacGarvie, Megan.; National Bureau of Economic Research.
Series: NBER working paper series -- no. 12563.; Working paper series (National Bureau of Economic Research) -- working paper no. 12563.
Publisher: National Bureau of Economic Research
Published: 2006
Place of publication: Cambridge, Mass
Language: eng
Number of pages: 61
Subjects: Patents -- Software -- Mathematical models
Genres: Software
Notes: "October 2006."

Includes bibliographical references (p. 37-40).

Also available in PDF from the NBER World Wide Web site (www.nber.org).