We develop a model of firm learning in volatile markets with noisy signals and test its predictions using historical German data. Firms' forecasts improve with age. We exploit German Reunification as a natural experiment where firms in the East are treated with ignorance about the distribution...

We use generalized method of moments to estimate a rational expectations aggregate demand-aggregate supply macroeconomic model for five European economies. Our aim is to examine whether supply or demand shocks have predominated in the major European economies during the post-war era and whether...