Os elementos escondidos da tarifação ao segundo / Pedro Pita Barros, Steffen Heinz Hoernig
Handset subsidies - an empirical investigation / Pedro Pita Barros
Access pricing : a comparison between full deregulation and two alternative instrument of accesss price regulation, cost-based and retail-minus / António Brandão e Paula Sarmento
Residential internet and broadband take-up in Portugal / Réka Horváth