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GTAP Resource #6581

"Developing a DSGE Consumption Function for a CGE Model"
by Dixon, Peter and Maureen Rimmer

DSGE models incorporate attractive theoretical specifications of the behaviour of forward-looking households facing an uncertain future. Central to these specifications is the idea that households decide their consumption level in year t by applying a function (policy rule) whose arguments represent information available in year t. Using the insight that, under certain conditions, the policy rule (but not the resulting policy) is invariant through time, DSGE modellers have developed the perturbation and other methods for quantitatively specifying policy rules. They have applied these methods in small macro models. In this paper we adapt the perturbation method so that it can be used to specify a policy rule for household consumption in a full-scale CGE model. A novel feature of our method is the use of specially constructed CGE simulations to reveal key parameters used in deriving the policy rule. We apply our method in an illustrative simulation of the effects of a technology shock in a 70-sector version of the USAGE model of the U.S. economy.

Resource Details (Export Citation) GTAP Keywords
Category: 2022 Conference Paper
Status: Not published
By/In: Presented during the 25th Annual Conference on Global Economic Analysis (Virtual Conference)
Date: 2022
Version: 1
Created: Dixon, P. (4/14/2022)
Updated: Dixon, P. (5/31/2022)
Visits: 606
- Dynamic modeling
- Model extension/development
- North America

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