Abstract

http://ssrn.com/abstract=2065462
 
 

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The Healing Arts: Analysis of the Knowledge Flows between Successive Generations of Innovation in the Pharmaceutical Sector


Daniel K. N. Johnson


Colorado College - Department of Economics and Business

Jeff Moore


Colorado College - Department of Economics and Business

Kristina M. Lybecker


Colorado College - Department of Economics & Business

May 2012

Colorado College Working Paper No. 2012-08

Abstract:     
This paper examines the location of innovations within pharmaceutical technology, using U.S. patent citation data to trace the knowledge flows over time. It is clear that knowledge clustering is certainly present. Our study utilizes multivariate left-censored Tobit regression analysis to control for identifiable factors, to examine whether over time the distance between successive innovators has changed. We find the distance to be increasing significantly over time, both when considering all citations and only inter-city transfers.

Number of Pages in PDF File: 8

Keywords: Pharmaceutical Technology, Patents, Knowledge Clustering, Left-censored Tobit

JEL Classification: L69, R3, L2, Q55

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Date posted: May 24, 2012  

Suggested Citation

Johnson, Daniel K. N. and Moore, Jeff and Lybecker, Kristina M., The Healing Arts: Analysis of the Knowledge Flows between Successive Generations of Innovation in the Pharmaceutical Sector (May 2012). Colorado College Working Paper No. 2012-08 . Available at SSRN: http://ssrn.com/abstract=2065462 or http://dx.doi.org/10.2139/ssrn.2065462

Contact Information

Daniel Kent Neil Johnson (Contact Author)
Colorado College - Department of Economics and Business ( email )
14 E Cache La Poudre Street
Colorado Springs, CO 80903
United States
719-389-6654 (Phone)
719-389-6927 (Fax)
HOME PAGE: http://faculty1.coloradocollege.edu/~djohnson
Jeff Moore
Colorado College - Department of Economics and Business ( email )
14 E Cache La Poudre Street
Colorado Springs, CO 80903
United States
Kristina M. Lybecker
Colorado College - Department of Economics & Business ( email )
14 E Cache La Poudre Street
Colorado Springs, CO 80903
United States
719-389-6445 (Phone)
719-389-6927 (Fax)
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