Prices and price-cost margins of mobile voice services / Corrado Andini, Ricardo Cabral, Henry Chappel
Evidence on the effect of liberalisation and competition on innovation in the postal service / Cátia Felisberto
Estudo do impacto da distorção não linear na gestão do espectro radioeléctrico / José Pedro Borrego
An empirical analysis of fixed and mobile broadband diffusion / Sangwon Lee, Mircea I. Marcu