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Global uncertainty and the global economy: decomposing the impact of uncertainty shocks

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posted on 2023-06-22, 02:16 authored by Wensheng Kang, Ronald Ratti, Joaquin VespignaniJoaquin Vespignani
We constructed a new index of global uncertainty using the first principal component of the stock market volatility for the largest 15 economies. We evaluate the impact of global uncertainty on the global economy using the new global database from Global Economic Indicators (DGEI), Federal Reserve Bank of Dallas. Global uncertainty shocks are less frequent than those observed in data on the U.S. economy. Global uncertainty shocks are associated with a sharp decline in global inflation, global growth and in the global interest rate (based on official/policy interest rates set by central banks). Our decomposition of global uncertainty shocks shows that global financial uncertainty shocks are more important than non-financial shocks. Over the period 1981 to 2014 global financial uncertainty forecasts 18.26% and 14.95% of the variation in global growth and global inflation respectively. The non-financial uncertainty shocks have insignificant effects on global growth. The model for global variables shows more protracted and substantial negative effects of uncertainty on growth and inflation than does a panel model estimating associations of local country-level variables. This outcome is reversed for the effect of uncertainty on official interest rate.

History

Series

Discussion Paper Series 2016‐01

Pagination

39

Publisher

University of Tasmania

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Copyright 2016 University of Tasmania

Notes

JEL Classification: D80, E44, E66, F62, G10

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  • Open

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