Enrique Ballestero was a professor in Business and Finance at Technical University of Madrid and Emeritus professor at Technical University of Valencia (Alcoy School). He was a member of the International Society on Multiple Criteria Decision Making.Blanca Pérez-Gladish is associate professor in the Department of Quantitative Economics at the University of Oviedo (Spain). She is also the coordinator of the Socially Responsible Investment and Sustainable Development Research Group. She received her PhD in 2001 and was appointed associate professor in 2009. Her research lines are focused on Multiple Criteria Decision Making and Socially Responsible Investment.Ana Garcia-Bernabeu is associate professor in the Department of Economics and Social Sciences at the Technical University of Valencia. She received her PhD in 2000 and was appointed associate professor in 2004. Her expertise areas are decision analysis, environmental and natural resources and finance. She is member of the Socially Responsible Investment and Sustainable Development Research Group and of the International Society on Multiple Criteria Decision Making.