This article explores a new approach to identifying government spending shocks which avoids many of the shortcomings of existing approaches. The new approach is to identify government spending shocks with statistical innovations to the accumulated excess returns of large US military contractors....

We introduce two modifications into the standard real business cycles model: habit persistence preferences and limitations on intersectoral mobility. The resulting model is consistent with the observed mean equity premium, mean risk free rate and Sharpe ration on equity. With respect to the...

We study the aggregate implications of (S,s) inventory policies in a dynamic general equilibrium model. Firms in the model's retail sector face idiosyncratic demand risk, and (S,s) inventory policies are optimal because of fixed order costs. The model economy replicates salient features of the...

There are significant differences in the dynamics of employment over the business cycle between young and old manufacturing plants. Young plants are more sensitive to aggregate disturbances, and they respond to them along different margins. We interpret these differences as reflecting greater...

Stock market prices are procyclical, while investment good prices are countercyclical. A real business cycle model calibrated to these observations implies that 75% of the cyclical variation in aggregate output is due to an investment-specific technology shock, while the rest is due to an...

This paper assesses the bank-lending channel interpretation of evidence on the heterogeneous response of firms to monetary shocks. To do so I develop a quantitative general equilibrium model of the bank-lending channel with imperfect credit markets. The calibrated model's steady state supports a...