An increase in uncertainty is not contractionary per se. What generates a significant downturn of economic activity is a widening of the left tail of the expected distribution of growth, the downside uncertainty. On the contrary, an increase of the right tail, the upside uncertainty, is mildly expansionary. The reason for why uncertainty shocks have been previously found to be contractionary is because movements in downside uncertainty dominate existing empirical measures of uncertainty. The results are obtained using a new econometric approach which combines quantile regressions and structural VARs.
Forni, Mario, Luca, Gambetti e Luca, Sala. "Downside and Upside Uncertainty Shocks" Working paper, DISCUSSION PAPER SERIES, 2021.
Downside and Upside Uncertainty Shocks
Mario Forni;
2021
Abstract
An increase in uncertainty is not contractionary per se. What generates a significant downturn of economic activity is a widening of the left tail of the expected distribution of growth, the downside uncertainty. On the contrary, an increase of the right tail, the upside uncertainty, is mildly expansionary. The reason for why uncertainty shocks have been previously found to be contractionary is because movements in downside uncertainty dominate existing empirical measures of uncertainty. The results are obtained using a new econometric approach which combines quantile regressions and structural VARs.Pubblicazioni consigliate
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