Affiliation: | 1. University of Vigo, Facultad de Ciencias Empresariales y Turismo, Campus Universitario, 32004, Ourense, Spain;2. National Research University Higher School of Economics, Russia;3. National Research University Higher School of Economics, Lebedeva, 27, 614007, Perm, Russia;4. University of Vigo, Facultad de Ciencias Económicas y Empresariales, Campus de Vigo, 36310, Vigo, Spain;1. Department of Finance, Higher School of Economic and Commercial Sciences, University of Tunis, 4, Rue Abou Zakaria El Hafsi, 1089, Montfleury, Tunisia;2. Department of Finance, Institute of Advanced Business Studies Carthage, University of Carthage, Rue Victor Hugo, 2016, Carthage, Tunisia;1. Complex Systems Community, University of Siena, Italy;2. Department of Information Engineering and Mathematics, University of Siena, via Roma 56, 53100 Siena, Italy;3. Department of Management and Quantitative Sciences, University of Naples “Parthenope”, via A. Ferdinando Acton 38, 80133 Naples, Italy;1. University of Sousse, Sousse 4054, Tunisia;2. IPAG Business School, Paris 75006, France;3. University of Manouba, Manouba 2010, Tunisia;1. Department of Economic and Regional Development, Panteion University, 136 Syngrou Av., Athens, 176 71, Greece;2. Postgraduate Department of Business Administration, Hellenic Open University, Aristotelous 18, 26 335, Greece;1. Department of Finance, Unversity of Ghana Business School, Ghana;2. Valley View University, Ghana |