Demirtaş, C., Ilıkkan Özgür, M., & Soyu, E. . (2021). The Symmetric and Asymmetric Time-Varying Causality Relationships Between the COVID-19 Outbreak and the Stock Exchange: The Case of Selected Countries. Ekonomika, 100(2), 144-170. https://doi.org/10.15388/Ekon.2021.100.2.7