The Impact of the COVID-19 Pandemic and the Russia-Ukraine War on Stock, Gold, and Bitcoin Markets: Examining Volatility Spillovers and Extreme Return Movements. Journal of Applied Business and Economics, [S. l.], v. 25, n. 2, 2023. Disponível em: https://articlearchives.co/index.php/JABE/article/view/5696. Acesso em: 13 mar. 2026.