Using historical data, we test the validity of Wagner's law of increasing state activity at different stages of economic development for five industrialized European countries: the United Kingdom, Denmark, Sweden, Finland and Italy. In order to investigate the coherence between Wagner's law and...

This paper presents a model yielding testable implications concerning the long-run co-movements of real exchange rates, relative productivity, the trade balance and terms of trade. Countries with higher productivity, trade deficits or improved terms of trade are found to have more appreciated...