Estimating Nonlinear Dynamic Equilibrium Economies: A Likelihood Approach
FRB of Atlanta Working Paper No. 2004-1
56 Pages Posted: 16 Feb 2004
Date Written: January 2004
This paper presents a framework to undertake likelihood-based inference in nonlinear dynamic equilibrium economies. The authors develop a sequential Monte Carlo algorithm that delivers an estimate of the likelihood function of the model using simulation methods. This likelihood can be used for parameter estimation and for model comparison. The algorithm can deal both with nonlinearities of the economy and with the presence of non-normal shocks. The authors show consistency of the estimate and its good performance in finite simulations. This new algorithm is important because the existing empirical literature that wanted to follow a likelihood approach was limited to the estimation of linear models with Gaussian innovations. The authors apply their procedure to estimate the structural parameters of the neoclassical growth model.
Keywords: dynamic equilibrium economies, likelihood function, nonlinear solution methods
JEL Classification: C63, C68, E37
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