Is economic policy uncertainty important to forecast the realized volatility of crude oil futures?

Feng Ma, M. I. M. Wahab, Jing Liu and Li Liu

Applied Economics, 2018, vol. 50, issue 18, 2087-2101

Abstract: In this research, we first investigate whether economic policy uncertainty (EPU) index can increase the HAR-RV-type models’ forecast accuracy. In addition, we explore how EPU index can be effectively used to gain larger economic values in the oil futures market. To this end, this research provides a new perspective on setting thresholds for EPU and examines whether these thresholds can help improve both the forecast accuracy and economic values. Empirical results suggest that the HAR-RV-type models including EPU can generate more accurate forecasts and economic values. The HAR-RV-type models including above-threshold EPU can further improve the forecast accuracy and yield higher economic values by setting specific thresholds for a range of horizons. The findings highlight the importance of EPU and effective way of using EPU in risk management and portfolio strategies that is crucial for investors and policymakers.

Date: 2018
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Citations: View citations in EconPapers (44)

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DOI: 10.1080/00036846.2017.1388909

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