We use detailed product- and firm-level data to study the sources of innovation and the patterns of productivity growth … productivity dynamics. Our estimates suggest that the decline in product reallocation through these margins has contributed greatly …

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 …

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

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

-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 …

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. …

associated with better firm performance. Our analysis demonstrates that policy support that aims at stimulating investment only … investment bottlenecks arising from market imperfections, while remaining non-discriminatory with a view at what sort of capital …

of taxation and other disincentives to investment and innovation on economic growth …