-level investment is procyclical. We show that a heterogeneous-firm RBC model with quantitatively realistic countercyclically disperse … state investment rate distribution, produces investment dispersion that positively comoves with the cycle, with a …-sectional firm dynamics ; lumpy investment ; countercyclical risk ; aggregate shocks ; idiosyncratic shocks ; heterogeneous firms …

question in the context of a heterogeneous-firm RBC model with persistent firm-level productivity shocks and lumpy capital …-varying uncertainty, highlighted in the literature. -- Ss model ; RBC model ; lumpy investment ; countercyclical risk ; aggregate shocks …

models suggest that a shortfall in productivity-enhancing investments temporarily slows technological progress, creating a …-level exposure to the 2008-9 financial crisis, I show that tight credit reduced investments in productivity-enhancement, and has … 12% higher today if productivity-enhancing investments had grown at pre-crisis rates. …

expensive and innovation investments that increase labor productivity are more profitable. We incorporate this channel in a new …

In our dynamic optimizing sticky price model, agents are heterogeneous with regard to their age and their productivity … dominates the substitution effect. This is in line with the adverse effect of productivity shocks on employment found in …