Retractions (with Jeffery Furman, Joshua Krieger, and Fiona Murray). Forthcoming, Review of Economics and Statistics. Also NBER Working Paper #18499.

Matthew: Effect or Fable?
 (with Toby Stuart and Yanbo Wang). Management Science, 60(1), pp. 92-109, 2014. Also NBER Working Paper #18625.

Technological Innovation and Organizations (with Josh Lerner). Chapter 14 in the Handbook of Organizational Economics (edited by Robert Gibbons and John Roberts), pp. 575-603. Princeton, NJ: Princeton University Press. e-mail me for a reprint.

The Diffusion of Scientific Knowledge Across Time and Space: Evidence from Professional Transitions for the Superstars of Medicine (with Joshua Graff Zivin and Bhaven Sampat). Chapter 2 in The Rate & Direction of Inventive Activity Revisited (edited by Joshua Lerner and Scott Stern), pp. 107-155, 2012. Chicago, IL: University of Chicago Press. Also NBER Working Paper #16683.

Incentives and Creativity: Evidence from the Academic Life Sciences. RAND Journal of Economics, 42(3), pp. 527-554, 2011 (with Gustavo Manso and Joshua Graff Zivin). Also NBER Working Paper #15466.

Nasty, Brutish, and Short: Embeddedness Failure in the Pharmaceutical Industry. Administrative Science Quarterly, 55(3), pp. 472-507, 2010 (with Nelson Repenning and Ezra Zuckerman). [On-line Appendix]

Superstar Extinction. Quarterly Journal of Economics, 125(2), pp. 549-589, 2010 (with Joshua Graff Zivin and Jialan Wang). Also NBER Working Paper #14577 [see also blurb in Science].

The Effect of Academic Patenting on the Rate, Quality, and Direction of (Public) Research Output. Journal of Industrial Economics, 57(4), pp. 637-676, 2009 (with Waverly Ding and Toby Stuart). Also NBER Working Paper #11917 [Slides].

The Anatomy of Medical School Patenting. New England Journal of Medicine, 357(20), pp. 2049-2056, 2007 (with Ryan Michigan and Bhaven Sampat).

The Determinants of Faculty Patenting Behavior: Demographics or Opportunities? Journal of Economic Behavior & Organizations, 63(4), pp. 599-623, 2007 (with Waverly Ding and Toby Stuart).

PublicationHarvester: An Open-Source Software Tool for Science Policy Research. Research Policy, 35(7), pp. 970-974, 2006 (with Andrew Stellman and Joshua Graff Zivin).

Capturing Knowledge Within and Across Firm Boundaries: Evidence from Clinical Development. American Economic Review, 94(5), pp. 1591-1612, 2004.

Consumption Externalities and Diffusion in Pharmaceutical Markets: Anti-Ulcer Drugs. Journal of Industrial Economics, 51(2), pp. 243-270, 2003 (with Ernst Berndt and Robert Pindyck).

Do Pharmaceutical Sales Respond to Scientific Evidence? Journal of Economics and Management Strategy, 11(4), pp. 551-594, 2002.

Entrepreneurs, Contracts, and the Failure of Young Firms. Management Science, 47(3), pp. 337-358, 2001 (with Scott Shane).