Recent advances in testing for the validity of Purchasing Power Parity (PPP) focus on the time series properties of real exchange rates in panel frameworks. One weakness of such tests, however, is that they fail to inform the researcher as to which cross-section units are stationary. As a...

The empirical literature that tests for purchasing power parity (PPP) by focusing on the stationarity of real exchange rates has so far provided, at best, mixed results. The behaviour of the yen real exchange rate has most stubbornly challenged the PPP hypothesis and deepened this puzzle. This...

Public finance sustainability plays a central role in the stabilization efforts in Latin America. The emphasis on fiscal policy in these countries goes back to the debt crisis of the 1980s, which was associated with large fiscal imbalances. We analyze the sustainability of government debt for a...