Matheus Koengkan is a PhD in Economics by the University of Évora. He is a researcher in the areas of Energy and Environmental Economics at Faculty of Economics, University of Coimbra, Coimbra (Portugal). He has published in international journals, such as Energy; Environmental Economics and Policy Studies; GeoJournal; Environmental Science and Pollution Research; and Environment Systems and Decisions.José Alberto Fuinhas, PhD (in Economics) is a professor of Applied Energy Economics, and Intermediate Econometrics at the Faculty of Economics, University of Coimbra (Portugal). He is a researcher in the areas of macroeconomics, energy economics, and environmental economics, at the CeBER - Centre for Business and Economics Research, sponsored by the Portuguese Foundation for the Development of Science and Technology. He has published in international journals, such as Energy, Economic Modelling; Energy Policy; Energy Economics; Renewable and Sustainable Energy Reviews; Applied Energy; Environmental Science and Policy; Environmental Resources and Economics, and Energy Sources Part B: Economics, Planning, and Policy.Aida Isabel Tavares holds a PhD in Economic Analysis, awarded by the Autonomous University of Barcelona in 2008. She has been dedicated to research in Applied Health Economics and published several articles in international peer-reviewed journals. She has also published one book in public economics. Her research areas include health economics and policy, health systems, socioeconomic determinants of health, regulation in health markets, and economics evaluation. Prof. Tavares has also been teaching at different universities, specifically courses related to microeconomics, public economics, and health economics. Currently, she is collaborating with the Centre of Studies and Research in Health of the University of Coimbra in Portugal, and she is an Assistant Professor in Lisbon School of Economics and Management, University of Lisbon.Nuno Miguel Barateiro Gonçalves Silva, PhD in Economics is a Professor of Microeconomics, Monetary and Financial Economics at the Faculty of Economics of the University of Coimbra, Coimbra, Portugal. He is a researcher in Finance and Environmental Economics, at the CeBER - Centre for Business and Economics Research, sponsored by the Portuguese Foundation for the Development of Science and Technology. He has published in international journals, such as Journal of Economics Dynamics and Control and Environmental Science and Pollution Research.