**About the Editor**

#### **George Halkos**

George E. Halkos (BA, MSc, PhD) is a Professor of the Economics of Natural Resources in the Department of Economics at the University of Thessaly. He has worked as a team leader and research fellow in various research and academic institutions. In addition, he has participated in and presented articles at International Conferences and acts as a referee for many scientific journals. His research interests include applied statistics and econometrics, simulations of economic modeling, natural resource and environmental economics, applied micro-economics with emphasis in welfare economics, air pollution, game theory, and mathematical models (non-linear programming).
