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TOPIC:
CREATIVE DESTRUCTION AND UNCERTAINTY
ABSTRACT
Uncertainty rises in recessions. But does uncertainty cause downturns or vice versa? This paper argues that uncertainty fluctuates endogenously in response to technology growth changes. In a firm dynamics model with endogenous technology adoption, faster technology growth widens the dispersion of firm-level productivity shocks, a benchmark uncertainty measure. Moreover, faster growth spurs a creative destruction process, generates a temporary downturn and renders uncertainty counter-cyclical. Estimates from structural VARs on U.S. data confirm the model's predictions. On average, shocks to technology growth explain 1/4 of the cyclical variation in uncertainty, and up to 2/3 around the "dot-com" bubble.
Keywords: Creative destruction, Uncertainty, Business cycles, Growth