Aloui, Riadh; Gupta, Rangan; Miller, Stephen M. - Department of Economics, Faculty of Economic and … - 2015
We use a copula approach to investigate the effect of uncertainty on crude-oil returns. Using copulas to construct … time-varying effect of equity and economic policy uncertainty on oil returns. The results show that higher uncertainty, as … measured by equity and economic policy uncertainty indices, significantly increase crude-oil returns only during certain …