Sds-Fps: A Small Demand-Side Version of the Forecasting and Policy System Core Model
Reserve Bank of New Zealand Working Paper No. G99/10
28 Pages Posted: 12 Nov 2002
Date Written: December 1999
This paper describes the development of SDS-FPS, which is a small demand-side model calibrated to match some of the dynamic properties of the Reserve Bank's Forecasting and Policy System (FPS) core model. SDS-FPS is capable of matching the dynamic properties of FPS for a wide range of disturbances, despite lacking relative prices, having no explicit supply side, and having the entire demand side described by a single IS equation. The calibration of SDS-FPS has also provided some insights into the features of FPS that cannot be replicated in a small demand-side model.
The size of SDS-FPS makes its use feasible in situations where the use of FPS may not be practical. For example, stochastic simulation experiments can be performed much faster with SDS-FPS than with FPS, making more complex experiments computationally feasible.
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