If Purchasing Power Parity holds in the long run, then real exchange rates are mean stationary. To test this hypothesis, monthly data on bilateral real exchange rates between the United States and five countries extending back to the 1920s are calculated. The null hypothesis of mean stationarity...

Public sector debt in the industrialized world has increased dramatically over the last 15 years. At the June 1996 Economic Summit in Lyon, France, leaders of the seven major industrialized democracies discussed the problems posed by large budget deficits and debt, as well as the potential...