Abstract

http://ssrn.com/abstract=2175310
 
 

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The Role of Invention in U.S. Metropolitan Productivity


Jonathan T. Rothwell


Brookings Institution

Jose Lobo


Arizona State University (ASU)

Deborah Strumsky


University of North Carolina (UNC) at Charlotte

December 2014


Abstract:     
At the regional scale, human capital and agglomeration forces are assumed to shape innovative capacity, but there are likely to be more direct channels like the development and commercialization of new products. This article examines the relationship between inventive activity and productivity at the level of U.S. metropolitan economies, using a patents database that links inventors to their residence. Examining the 1980 to 2010 period, we find robust evidence that patenting is correlated with and Granger causes higher productivity in metropolitan areas. A standard deviation increase in patents predicts a 6 percent increase in productivity over 10 years. Higher-quality patents enhance the effect. We attempt to identify a cross-sectional causal effect of patenting on productivity and wages using various historical instruments from the early 20th Century and controls for the selection of high-skilled workers into the area. Two-stage least squares regressions show an even stronger causal effect, but we can not rule out the possibility that historic advantages in manufacturing and scientific research continue to affect productivity through both patenting and some un-identified channel. We conclude that inventive activity plays an important role in regional prosperity.

Number of Pages in PDF File: 45

Keywords: patents, innovation, productivity, urban economics, economic development, growth, technology

JEL Classification: O1, O18, O3, O31, R11, I22, O40

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Date posted: November 14, 2012 ; Last revised: December 2, 2014

Suggested Citation

Rothwell, Jonathan T. and Lobo, Jose and Strumsky, Deborah, The Role of Invention in U.S. Metropolitan Productivity (December 2014). Available at SSRN: http://ssrn.com/abstract=2175310 or http://dx.doi.org/10.2139/ssrn.2175310

Contact Information

Jonathan T. Rothwell (Contact Author)
Brookings Institution ( email )
1775 Massachusetts Ave, NW
Washington, DC 20036
United States
Jose Lobo
Arizona State University (ASU) ( email )
Farmer Building 440G PO Box 872011
Tempe, AZ 85287
United States
Deborah Strumsky
University of North Carolina (UNC) at Charlotte ( email )
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