We document two striking facts about U.S. firm dynamics and interpret their significance for aggregate employment dynamics. The first observation is the steady decline in the firm entry rate over the last thirty years, and the second is the gradual shift of employment from younger to older firms...

We use an extensive,matched employer-employee dataset to analyze the employer-size wage relation and its contribution to wage inequality in Germany. Applying models with additive fixed effects for workers and establishments, we document that the large firm wage premium, which has risen over 25...

Recent empirical work reveals considerable heterogeneity in the use of technologies within industries, suggesting technology adoption depends on factors other than industry type. We present a model in which the factors that lead to heterogenous technology adoption play a key economic role in...