“…In addition, the contribution to solving the risk optimization problem by such scientists should be noted (Bajgoric, 2011;Better et al, 2008;Bonaccolto & Caporin, 2016;Dźwigoł, 2018;Dźwigoł & Dźwigoł-Barosz, 2018;Dźwigoł & Wolniak, 2018;Dzwigoł et al, 2019;Eskandari & Fuschi & Tvaronavičienė, 2016;Rabelo, 2007;Fukushima, 2006;Hroznyi et al, 2018;Kamioska, 2018;Karpenko et al, 2018;Kouvelis & Yu, 1997;Kelly, 2002;Kuzmak et al, 2018;Kvilinskyi & Kravchenko, 2016;Кwilinski, 2017, 2018a, 2018b, 2018c, 2019Kwilinski et al, 2019aKwilinski et al, , 2019bMackevičius et al, 2018;Okoli et al, 2016;Paulusch, 2017;Ramalingama, 2018;Savchenko et al, 2019;Tarasova, 2018;Tkachenko et al, 2019;Zeng & Skibniewski, 2013;Zhou et al, 2016).…”