Spillovers from Stock Markets to Currency Markets: Evidence from Copula-CoVaR with Time-Varying Higher Moments
Muhammad Usman, Zaghum Umar, Mariya Gubareva, Dang Khoa Tran
Applied Economics, vol. 55, 2023, p. 6091-6114.

Impact of the Covid-19 Induced Panic on the Environmental, Social and Governance Leaders Equity Volatility: A Time-Frequency Analysis
Zaghum Umar, Mariya Gubareva, Dang Khoa Tran, Tamara Teplova
Research In International Business And Finance, vol. 58, 2021, p. .