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Dueker, Michael
Fischer, Andreas
Dittmar, Robert D.
Year of Publication: 
Series/Report no.: 
Working Paper, Study Center Gerzensee 02.01
In this article, we demonstrate that a small degree of stochastic variation in the depreciation rate of capital can greatly reduce the comovement between hours worked and labor productivity in a neoclassical growth model. The depreciation rate is modeled as a Markov process to place a strict upper bound and to ensure that variation and not the level of the rate is driving the result. Markov switching implies nonlinear decision rules in the dynamic stochastic general equilibrium model (DSGE). Our contribution to DSGE solution methodologies in the presence of Markov switching is to apply Judd's (1998) projection method to nonlinear decision rules. This approach allows for nonlinear decision rules in a richer set of models with many more state variables than can be solved with grid-based approximations. The results presented here suggest that Markov switching parameters offer a powerful extension to DSGE models.
Markov Switching
Nonlinear Decision Rules
Hours-Productivity Corr.
Document Type: 
Working Paper

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