Boateng E, Asafo-Adjei E, Gatsi JG, Gherghina Ştefan C, Simionescu LN. Multifrequency-based non-linear approach to analyzing implied volatility transmission across global financial markets. oc [Internet]. 2022 Sep. 25 [cited 2024 Oct. 3];13(3):699-743. Available from: https://journals.economic-research.pl/oc/article/view/2077