1. Department of Finance, Faculty of Economics and Business Administration Cluj-Napoca, Babeş-Bolyai University, Teodor Mihali str., No. 58–60, Cluj-Napoca, Romania
2. Department of Economics, Faculty of Economics, Informatics and Engineering, ‘Vasile Goldis’ Western University of Arad, B-dul Revolutiei No. 94, Arad, Romania; Doctoral Scool of Economics, Faculty of Economics, University of Oradea, str. Universitatii No. 1, Oradea, Romania