Uncertainty and the Dynamics of R&D
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NBER Working Paper No. 12841
Issued in January 2007
NBER Program(s): EFG PR
Uncertainty varies strongly over time, rising by 50% to 100% in recessions and by up to 200% after major economic and political shocks. This paper shows that higher uncertainty reduces the responsiveness of R&D to changes in business conditions - a "caution-effect" - making it more persistent over time. Thus, uncertainty will play a critical role in shaping the dynamics of R&D through the business cycle, and its response to technology policy. I also show that if firms are increasing their level of R&D then the effect of uncertainty will be negative, while if firms are reducing R&D then the effect of uncertainty will be positive.
Published: Nick Bloom, 2007. "Uncertainty and the Dynamics of R&D," American Economic Review, American Economic Association, vol. 97(2), pages 250-255, May.
This paper is available as PDF (597 K) or via email.
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