A Positive Effect of Uncertainty Shocks on the Economy: Is the Chase Over ?

Francisco Serranito, Julien Vauday and Nicolas Himounet

Working Papers from HAL

Abstract: How large and persistent are the effects of uncertainty shocks on the economy? Are the effects of macroeconomic uncertainty shocks different from those of financial uncertainty shocks? In the empirical literature there was a consensus on an estimated negative impact of uncertainty on macroeconomic variables. Recently, some studies identifying shocks with a novel methodology, namely the events constraint approach, find that macroeconomic uncertainty shocks may trigger an increase in the industrial production. The goal of this paper is to question this striking result. We have identified two main shortcomings in this literature that could explain the positive correlation between macroeconomic uncertainty and economic activity. We show that this method of identification can be sensitive depending on how to identify and select the structural uncertainty shocks in a SVAR model. Our main conclusion is that the controversial result of a positive effect of macroeconomic uncertainty on economic activity does not yet seem to be proven. Whether financial or macroeconomic, there is no evidence allowing for rejection of the hypothesis that they have a negative impact on economic activity.

Keywords: Uncertainty; SVAR; Narrative Sign Restrictions; Economic Activity (search for similar items in EconPapers)
Date: 2022
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Working Paper: A Positive Effect of Uncertainty Shocks on the Economy: Is the Chase Over ? (2022)
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