The empirical effects of different measures of labour standards on the export performance of the United States are analysed using annual data for the period 1950-1998, applying a time series approach based on the structural change literature. Hence, a model with endogenous breaks is estimated...

Following the approach suggested by Engel and Kim (1999), we estimate the permanent and transitory components of the real exchange rates in four Latin-American countries for the period 1957:01 to 2002:04. Results suggest that transitory component is the driving force of the real exchange rates...