Population Ageing and Social Expenditure in New Zealand: Stochastic Projections
AbstractIt is widely recognised that as the population ages there will be potentially significant implications for a wide range of economic variables, including in particular the fiscal costs of social expenditures. Long term fiscal planning requires estimates of the possible future path of public spending. This paper presents projections for 14 categories of social spending. These projections are based on detailed demographic estimates covering fertility, migration and mortality disaggregated by single year of age and gender. Distributional parameters are incorporated for all of the major variables, and are used to build up probabilistic projections for social expenditure as a share of GDP using simulation. Attention is focussed on health expenditures which are disaggregated into seven broad classes. In addition we explore the impacts of alternative hypothesis about future health costs. While it can be predicted with some confidence that overall social expenditures will rise, the results suggest that long term planning would be enriched by recognising the distributions about point estimates of projected social costs.
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Bibliographic InfoPaper provided by New Zealand Treasury in its series Treasury Working Paper Series with number 02/28.
Length: 51 pages
Date of creation: Dec 2002
Date of revision:
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Population; projections; stochastic simulation; social expenditure; fiscal costs; New Zealand;
Find related papers by JEL classification:
- E61 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - Policy Objectives; Policy Designs and Consistency; Policy Coordination
- H50 - Public Economics - - National Government Expenditures and Related Policies - - - General
- J11 - Labor and Demographic Economics - - Demographic Economics - - - Demographic Trends, Macroeconomic Effects, and Forecasts
This paper has been announced in the following NEP Reports:
- NEP-ALL-2002-12-17 (All new papers)
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