[1] Yunnan Technol & Business Univ, Sch Accounting, Kunming, Yunnan, Peoples R China
[2] Hungarian Univ Agr & Life Sci, Doctoral Sch Econ & Reg Studies, H-2100 Godollo, Hungary
[3] Xi An Jiao Tong Univ, Sch Econ & Finance, Xian 710061, Peoples R China
[4] Univ Appl Sci, Budapest Business Sch, Fac Finance & Accountancy, H-1149 Budapest, Hungary