“…Russia's influence is considered obvious particularly in Europe, taking into account that it provides more than 20% of the continent's oil and 30% of its natural gas. Specifically, several European countries, including Germany, Austria, Finland, Poland, Slovakia, and Hungary, import 50-100% of their oil and gas from Russia (Astrov et al 2022;OECD, 2022;Ashraf et al, 2022). Therefore, in the scenery of Russia's invasion of Ukraine, Europe's dependency on Russian oil and gas supply has turned into a threat to its existence.…”