The aim of this paper is to examine to what extent the adoption by Portugal of an exchange rate target zone regime in the context of its participation in the ERM of the EMS can be characterised by the existence of a nonlinear S-shaped relationship between the exchange rate and its fundamental....

This work examines the participation of the Portuguese economy in the ERM of the EMS based on some of the main predictions of the target zone literature. The exchange rate distribution reveals that the majority of the observations lie close to the central parity, thus rejecting one of the key...