[1] Univ Johannesburg, Coll Business & Econ, Sch Econ & Econometr, Johannesburg, South Africa
[2] Univ Inland Noray, CREDS Ctr Res Digitalizat & Sustainabil, Elverum, Norway
[3] Nisantasi Univ, Fac Econ Adm & Social Sci, Istanbul, Turkiye
[4] Univ Johannesburg, Johannesburg, South Africa