Do periods of persistently loose monetary policy increase financial fragility and the likelihood of a financial crisis? This is a central question for policymakers, yet the literature does not provide systematic empirical evidence about this link at the aggregate level. In this paper we fill...

An impulse response is the dynamic average effect of an intervention across horizons. We use the well-known Kitagawa-Blinder-Oaxaca decomposition to explore a response's heterogeneity over time and over states of the economy. This can be implemented with a simple extension to the usual local...

Changes in the stock of inventories are important for �fluctuations in aggregate output. However, the possibility that firms do not sell all produced goods and inventory accumulation are typically ignored in business cycle models. This paper captures this with a goods-market friction. Using US...

This paper develops a model according to which the costs of business cycles are nontrivial because they reduce the average level of output. The reason is an interaction between job creation costs and an agency problem. The agency problem triggers separations during economic downturns even though...