The Fiscal Strategy Model (FSM) projects the financial performance and the financial position of the government over a medium-term horizon and is published with the latest Economic and Fiscal Update.
Fiscal Strategy Model Projections
The principal purpose of the FSM is to produce the post-forecast fiscal projections.
The most recent version of the FSM was published with the Pre-election Economic and Fiscal Update (PREFU) on 12 September 2023.
Other Treasury Models
The Long-Term Fiscal Model
Treasury produces another model that projects fiscal and economic variables beyond the forecasts.
The LTFM differs from the FSM in that:
- modelling for the LTFM extends at least as far as the year ending 2061
- the LTFM's projections are not intended to assess the Government's fiscal strategy
- in regard to the last point, the LTFM projects individual operating and capital expenditure classes with their own particular cost drivers, such as changes in the recipient population and expense growth factors based on historical averages, rather than restricting their growth to a share of projected operating or capital allowances, and
- the LTFM has more modelling capability so that it can, for example, produce scenarios where the projected growth of individual expense categories, such as health or education, can be altered.
New Zealand Superannuation (NZS) Fund Contribution Rate Model
The projected required contributions track from the Treasury's New Zealand Superannuation (NZS) Fund Contribution Rate Model is an input into the LTFM and the FSM.