1 International Laboratory for Finance and Financial Markets Finance, Faculty of Economics, People’s Friendship University of Russia (RUDN University), Miklukho-Maklaya St. 6, Moscow, 117198, Russian Federation
2 Geographical Institute “Jovan Cvijic” SASA, Djure Jaksica 9, Belgrade, 11000, Serbia
3 Department for Finance, Saint Petersburg School of Economics and Management, HSE University, Kantemirovskaya St. 3A, Sankt Petersburg, 194100, Russian Federation
4 Department of Economics, Ghent University, Sint-Pietersplein 5, Gent, 9000, Belgium