This paper investigates the validity of purchasing power parity (PPP) for 25 OECD countries by using a panel unit-root methodology. The procedure used here is to examine stationarity of real exchange rate. Using ADF unit-root test on single time-series, it is found that real exchange rate of all...

This paper estimates the aggregate import demand function for Latin American and Caribbean countries, using the dynamic panel data methods, over the period 1975-2005. Consistent with theoretical postulates, this paper finds that the demand for import responds negatively to an increase in the...