Angel Higuerey, Reinaldo Armas, Miguel Peñarreta. Efficiency and Productivity of Communication Companies: Empirical Evidence from Ecuador Using Panel Data and DEA. In Álvaro Rocha, Hojjat Adeli, Luís Paulo Reis, Sandra Costanzo, Irena Orovic, Fernando Moreira, editors, Trends and Innovations in Information Systems and Technologies - Volume 1, WorldCIST 2020, Budva, Montenegro, 7-10 April 2020. Volume 1159 of Advances in Intelligent Systems and Computing, pages 589-597, Springer, 2020. [doi]
Abstract is missing.