Affiliation: | 1.Department of Civil and Environmental Engineering, Universitat Politècnica de Catalunya (UPC), Carrer de Jordi Girona, 1, 08034, Barcelona, Spain ;2.Faculty of Business, EAE- UPC, Tarragona 110, 08015, Barcelona, Spain ;3.Department of Economics, Universidad Michoacana de San Nicolás de Hidalgo (UMSNH), Michoacan, Morelia, Mexico ;4.Faculty of Business and Communication, Universidad Internacional de la Rioja (UNIR), Av. de la Paz, 137, 26006, Logro?o, La Rioja, Spain ; |