FRIMPONG, Kwame Poku; FRIMPONG, Siaw. Flickering safe havens: Time-varying properties in global equity markets during COVID-19 and the Russia–Ukraine war. Economy, [S. l.], v. 13, n. 2, p. 63–125, 2026. DOI: 10.20448/economy.v13i2.9556. Disponível em: https://asianonlinejournals.com/index.php/Economy/article/view/9556. Acesso em: 24 oct. 2026.