investment-specific productivity. We document that in U.S. postwar quarterly data total factor productivity (TFP) and the … cointegrated if and only if neutral and investment-specific productivity share a common stochastic trend. We econometrically … relative price of investment are cointegrated. We show theoretically that TFP and the relative price of investment are …

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 …