| Institution: | 1. Universidad Castilla – La Mancha, E.T.S. de Ingenieros Industriales, 13071 Ciudad Real, Spain;2. Universidad ICESI, Financial and Accounting Department, Cali, Colombia;3. Universidad de los Andes, School of Management, Bogota, Colombia;4. Universidad ICESI, Mathematics Department, Cali, Colombia;1. Department of Economics, University of Cologne, Universitätsstrasse 22a, Cologne 50937, Germany;2. Institute of Energy Economics, University of Cologne, Vogelsanger Strasse 321a, Cologne 50827, Germany |
