Santos, Joana; Simões, Pedro; Costa, Álvaro and Cunha Marques, Rui (2010): Efficiency of the Portuguese metros. is it different from other European metros? Unpublished.
Marques, Rui and Simões, Pedro (2009): How far are Portuguese prisons inefficient? A non-parametric approach. Unpublished.
Simões, Pedro and Cunha Marques, Rui (2009): Performance and Congestion Analysis of the Portuguese Hospital Services. Unpublished.
