Nickolaos G. Tzeremes is Full Professor of Microeconomic Analysis. His research interests are in the fields of efficiency and productivity analysis. He has published in several international refereed journals like: Research Policy, European Journal of Operational Research, OMEGA: The International Journal of Management Science, Journal of Productivity Analysis, Economics Letters, Journal of Business Research, International Journal of Operations & Production Management, Environment and Planning A, Journal of Banking & Finance, International Journal of Production Research, Journal of the Operational Research Society και Journal of International Money and Finance among others. Currently he serves as an Associate Editor for Economic Modelling (Elsevier) and as Editorial board member for Tourism Economics (Sage publications)