Managerial Efficiency and Hospitality Industry: The Portuguese Case
Carlos Pestana Barros, Laurent Botti, Nicolas Peypoch, Bernardin Solonandrasana
Applied Economics, vol. 43, 2011, p. 2895-2905.

An Analysis of Hospital Efficiency and Productivity Growth Using the Luenberger Indicator
Carlos Pestana Barros, António Gomes de Menezes, Nicolas Peypoch, Bernardin Solonandrasana, José Cabral Vieira
Health Care Management Science, vol. 11, 2008, p. 373-381.