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Measuring and Accounting for Innovation in the Twenty-First Century$
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Carol Corrado, Jonathan Haskel, Javier Miranda, and Daniel Sichel

Print publication date: 2021

Print ISBN-13: 9780226728179

Published to Chicago Scholarship Online: January 2022

DOI: 10.7208/chicago/9780226728209.001.0001

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Innovation, Productivity Dispersion, and Productivity Growth

Innovation, Productivity Dispersion, and Productivity Growth

(p.103) 3 Innovation, Productivity Dispersion, and Productivity Growth
Measuring and Accounting for Innovation in the Twenty-First Century

Lucia Foster

Cheryl Grim

John C. Haltiwanger

Zoltan Wolf

University of Chicago Press

We examine whether underlying industry innovation dynamics are an important driver of the large dispersion in productivity across firms within narrowly defined sectors. Our hypothesis is that periods of rapid innovation are accompanied by high rates of entry, significant experimentation and, in turn, a high degree of productivity dispersion. Following this experimentation phase, successful innovators and adopters grow while unsuccessful innovators contract and exit yielding productivity growth. We examine the dynamic relationship between entry, productivity dispersion, and productivity growth using a new comprehensive firm-level dataset for the U.S. We find a surge of entry within an industry yields with a lag an increase in productivity dispersion and then after a subsequent lag an increase in productivity growth. These patterns are more pronounced for the High Tech sector where we expect there to be more innovative activities. These patterns change over time suggesting other forces are at work during the post-2000 slowdown in aggregate productivity.

Keywords:   innovation, productivity dispersion, productivity growth

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