Christiano, Lawrence; Rostagno, Massimo; Motto, Roberto - National Bureau of Economic Research (NBER) - 2013
We augment a standard monetary DSGE model to include a Bernanke-Gertler-Gilchrist financial accelerator mechanism. We fit the model to US data, allowing the volatility of cross-sectional idiosyncratic uncertainty to fluctuate over time. We refer to this measure of volatility as 'risk'. We find...