order in a wide class of discrete time dynamic stochastic general equilibrium (DSGE) models are solvable by standard DSGE … perturbation methods under regularity and saddle point stability assumptions on first order approximations. Extending the approach … existence theorem of perturbation solutions, complete the proof that the policy function is invariant to first order changes in …

solving nonlinear DSGE models. Perturbation of the nonlinear moving average policy function provides a direct mapping from a …We propose a nonlinear infinite moving average as an alternative to the standard state space policy function for … nonlinearity, and enables familiar impulse response analysis in nonlinear settings. When the linear approximation is saddle stable …

improve upon a standard rule both in terms of macroeconomic stabilization and of agents׳ welfare in a DSGE with both a firms …

nonlinear properties of devices often used to remove the unit root and I find that they generate different dynamics when …