1. School of Business, Ningbo University, 315211 Ningbo, China
2. Faculty of National Economy, University of Economics in Bratislava, Dolnozemska cesta 1, 852 35 Bratislava, Slovak Republic
3. Department of Economics, Entrepreneurship and Finance, Faculty of the Humanities and Economics, Berdyansk State Pedagogical University, 4 Shmidt Str., 71112 Berdyansk, Ukraine
4. Faculty of Economics and Business, Mykolas Romeris University, Ateities g. 20, 08303 Vilnius, Lithuania
5. Lithuanian Institute of Agrarian Economics, Kudirkos g. 18-2, 03105 Vilnius, Lithuania
6. College of Statistics and Mathematics, Zhejiang Gongshang University, 310018 Hangzhou, China