The impact of uncertainty shocks on the volatility of commodity prices

Bakas, D. ORCID: 0000-0003-4771-4505 and Triantafyllou, A., 2017. The impact of uncertainty shocks on the volatility of commodity prices. Waterloo, Ontario: The Rimini Centre for Economic Analysis.

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Abstract

In this paper, we empirically examine the impact of uncertainty shocks on the volatility of commodity prices. Using alternative measures of economic uncertainty for the U.S. we estimate their effects on commodity price volatility by employing both VAR and OLS regression models. We find that the unobservable economic uncertainty measures of Jurado et al. (2015) have a significant and long-lasting positive impact on the volatility of commodity prices. Our results indicate that a positive shock in both macroeconomic and financial uncertainty leads to a persistent increase in the volatility of the broad commodity market index and of the individual commodity prices, with the macroeconomic effect being more significant. The impact is stronger in energy commodities compared to the agricultural and metals markets. In addition, our findings show that the measure of unpredictability of the macroeconomic environment has the most significant impact on the commodity price volatility when compared to the observable measures of economic uncertainty that have a rather small and transitory effect. Finally, we show that uncertainty in the macroeconomy is significantly reduced after the occurrence of large commodity market volatility episodes.

Item Type: Working paper
Description: Working paper series: WP 17-31
Creators: Bakas, D. and Triantafyllou, A.
Publisher: The Rimini Centre for Economic Analysis
Place of Publication: Waterloo, Ontario
Date: 2017
Rights: Copyright belongs to the author. Short sections of the text, not exceeding three paragraphs, can be used provided proper acknowledgement is given.
Divisions: Schools > Nottingham Business School
Depositing User: Linda Sullivan
Date Added: 21 Mar 2018 09:58
Last Modified: 21 Mar 2018 10:00
URI: http://irep.ntu.ac.uk/id/eprint/33061

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