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Where Have All the "Creative Talents" Gone? Employment Dynamics of US Inventors

Akcigit, Ufuk; Goldschlag, Nathan - National Bureau of Economic Research - 2023

entrant or incumbent firm. If the inventor works for the entrant the innovation is implemented and the entrant displaces the …

Persistent link: https://www.econbiz.de/10014248003

Is Public R&D a Complement or Substitute for Private R&D? A Review of the Econometric Evidence

David, Paul A. - 1999

Is public R&D spending complementary and thus "additional" to private R&D spending, or does it substitute for and tend to "crowd out" private R&D? Conflicting answers are given to this question. We survey the body of available economectric evidence accumulated over the past 35 years. A framework...

Persistent link: https://www.econbiz.de/10012471411

Identifying Age, Cohort and Period Effects in Scientific Research Productivity : Discussion and Illustration Using Simulated and Actual Data on French Physicists

Hall, Bronwyn H. - 2005

The identification of age, cohort (vintage), and period (year) effects in a panel of individuals or other units is an old problem in the social sciences, but one that has not been much studied in the context of measuring researcher productivity. In the context of a semi-parametric model of...

Persistent link: https://www.econbiz.de/10012466933

Innovation and Market Value

Hall, Bronwyn H. - 1999

Recent research on financial market valuation of the knowledge assets of publicly traded firms is surveyed. The motivation for using a market value equation to price knowledge assets is discussed and the theory behind this equation is briefly presented. Then the empirical literature that relates...

Persistent link: https://www.econbiz.de/10012471824

A Year Older, A Year Wiser (and Farther from Frontier) : Invention Rents and Human Capital Depreciation

Aghion, Philippe; Akcigit, Ufuk; Hyytinen, Ari; … - National Bureau of Economic Research - 2022

We look at how the arrival of an invention affects wage returns and probability of moving out of employment for white- and blue-collar coworkers of the inventor. First results suggest that older workers are hurt by the arrival of an invention. This negative effect disappears when we control for...

Persistent link: https://www.econbiz.de/10013172162

International Trade and Innovation

Akcigit, Ufuk; Melitz, Marc J. - National Bureau of Economic Research - 2021

-dimensional connections between globalization and innovation. We develop a model that features many of those mechanisms that connect trade and … innovation. It features the joint selection of firms into innovation and international market participation (in our model, we … for innovation …

Persistent link: https://www.econbiz.de/10012794638

The Value of Patents as Indicators of Inventive Activity

Griliches, Zvi - 1986

This paper summarizes a number of studies which use patent data to examine different aspects of technological change. It describes our firm level data set construction effort; reports on the relationship between RLD expenditures and the level of patenting; analyzes the relationship between...

Persistent link: https://www.econbiz.de/10012476987

The Patent Troll : Benign Middleman or Stick-Up Artist?

Abrams, David S. - 2019

How do non-practicing entities ("Patent Trolls") impact innovation and technological progress? Although this question …", who exploit the patent system to extract rents and thereby hurt innovation. We employ unprecedented access to NPE … also find that downstream innovation drops in fields where patents have been acquired by NPEs. Finally, our numerical …

Persistent link: https://www.econbiz.de/10012479664

Tax Policy for Innovation

Hall, Bronwyn H. - 2019

A large number of countries around the world now provide some kind of tax incentive to encourage firms to undertake innovative activity. This paper presents the policy rationale for these incentives, discusses their design and potential effectiveness, and reviews the empirical evidence on their...

Persistent link: https://www.econbiz.de/10012479723

Taxation and Innovation in the 20th Century

Akcigit, Ufuk - 2018

This paper studies the effect of corporate and personal taxes on innovation in the United States over the twentieth … innovation: higher personal and corporate income taxes negatively affect the quantity and quality of inventive activity and shift … to another are important, but do not account for all of the effect. Agglomeration effects from local innovation clusters …

Persistent link: https://www.econbiz.de/10012480635