We develop a model of firm learning in volatile markets with noisy signals and test its predictions using historical data from the Ifo Institute's Business Climate Survey. We find that firms' forecasts improve as they age. We also exploit German Reunification as a natural experiment where firms...

Since the early 1980s, the U.S. economy has experienced a growing wage differential: high-skilled workers have claimed an increasing share of available income, while low-skilled workers have seen an absolute decline in real wages. How and why this disparity has arisen is a matter of ongoing...