Alina Hyz is Professor of Business Administration at the Department of Accounting and Finance, Piraeus University of Applied Sciences, Greece. With both professional and teaching experience, her previous posts include Assistant Professor at the University of Lodz (1988-1997), postdoctoral research fellowship from the Greek Ministry of Education at the University of Macedonia, Thessaloniki and Robert Schuman scholar at the European Parliament, Directorate General for Research, Luxembourg. Kostas Karamanis is Associate Professor of Economics at the Department of Accounting and Finance, Technological Educational Institute of Epirus, Greece. He previously worked at the Greek Ministry of Employment from 2002-2011. Kostas’ main research interests include market deregulation, competition and labour market, and his work has been published in international and Greek refereed journals.