I describe a new method for imposing zero restrictions (both short and long-run) in combination with conventional sign-restrictions. In particular I extend the Rubio-Ram rez et al. (2010) algorithm for applying short and long-run restrictions for exactly identified models to models that are...

We analyze the role of oil price volatility in reducing U.S. macroeconomic instability. Using a Markov Switching Rational Expectation New-Keynesian model we revisit the timing of the Great Moderation and the sources of changes in the volatility of macroeconomic variables. We find that smaller or...

We study the potential effects on the real economy and welfare of four fiscal policy responses to an energy supply shock: energy vouchers to all households, only to lowincome households, or to non-energy goods producers, and subsidies for investments in the energy sector. The analysis relies on...

This paper examines the influence of financial constraints on the transmission of monetary policy shocks across heterogeneous firms. To this end, we develop a Dynamic Stochastic General Equilibrium (DSGE) model incorporating firm heterogeneity, nominal rigidity, and financial frictions....