Handset subsidies - an empirical investigation / Pedro Pita Barros
Privatisation, liberalisation and the portuguese telecommunications sector : a social cost-benefit analysis / Maria de Lurdes Martins, Natália Maria Monteiro
Residential internet and broadband take-up in Portugal / Réka Horváth
The ineffiency of markets for provisioning communication networks / Pedro Ferreira, Marvin Sirbu