Privatisation, liberalisation and the portuguese telecommunications sector : a social cost-benefit analysis / Maria de Lurdes Martins, Natália Maria Monteiro
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
The ineffiency of markets for provisioning communication networks / Pedro Ferreira, Marvin Sirbu
On-net and off-net pricing on asymmetric telecommunications networks / Steffen Hoernig