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Global Uncertainty and the Global Economy: Decomposing the Impact of Uncertainty Shocks

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  • Wensheng Kang
  • Ronald A. Ratti
  • Joaquin Vespignani

Abstract

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.

Suggested Citation

  • Wensheng Kang & Ronald A. Ratti & Joaquin Vespignani, 2016. "Global Uncertainty and the Global Economy: Decomposing the Impact of Uncertainty Shocks," CAMA Working Papers 2016-39, Centre for Applied Macroeconomic Analysis, Crawford School of Public Policy, The Australian National University.
    • Handle: RePEc:een:camaaa:2016-39
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    References listed on IDEAS

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    Keywords

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    JEL classification:

    • D80 - Microeconomics - - Information, Knowledge, and Uncertainty - - - General
    • E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy
    • E66 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - General Outlook and Conditions
    • F62 - International Economics - - Economic Impacts of Globalization - - - Macroeconomic Impacts
    • G10 - Financial Economics - - General Financial Markets - - - General (includes Measurement and Data)

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