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The Distributional Impact of Population Ageing

Author

Listed:
  • Omar A Aziz
  • Christopher Ball
  • John Creedy
  • Jesse Eedrah

    (The Treasury)

Abstract

This paper examines the potential distributional impacts of demographic change, particularly population ageing, and changes to labour force participation that are projected to arise over the next 50 years. The approach involves calibration weighting of the Treasury’s microsimulation model, Taxwell, based on the New Zealand Household Economic Survey. The weights are adjusted for each projection year to ensure that a range of population aggregates (by age and gender) match the projected values provided by Statistics New Zealand. Measures of income inequality and poverty, along with the incidence of income tax, Goods and Services Tax and a number of components of government spending (namely health and education) across age groups, are obtained. The results suggest that population ageing and expected changes in labour force participation, in isolation, do not have a significant impact on population-level measures of income inequality.

Suggested Citation

  • Omar A Aziz & Christopher Ball & John Creedy & Jesse Eedrah, 2013. "The Distributional Impact of Population Ageing," Treasury Working Paper Series 13/13, New Zealand Treasury.
    • Handle: RePEc:nzt:nztwps:13/13
    as

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    File URL: https://treasury.govt.nz/sites/default/files/2013-07/twp13-13.pdf
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    References listed on IDEAS

    as
    1. Lixin Cai & John Creedy & Guyonne Kalb, 2006. "Accounting For Population Ageing In Tax Microsimulation Modelling By Survey Reweighting," Australian Economic Papers, Wiley Blackwell, vol. 45(1), pages 18-37, March.
    2. John Creedy & Jamas Enright & Norman Gemmell & Angela Mellish, 2010. "Population ageing and taxation in New Zealand," New Zealand Economic Papers, Taylor & Francis Journals, vol. 44(2), pages 137-158.
    3. ROSS GUEST & IAN McDONALD, 1999. "The Effect Of Population Ageing On The Distribution Of Taxable Incomes Of Individuals In Australia," Economic Papers, The Economic Society of Australia, vol. 18(3), pages 34-48, September.
    4. Shelley A. Phipps & Peter S. Burton, 1995. "Sharing within Families: Implications for the Measurement of Poverty among Individuals in Canada," Canadian Journal of Economics, Canadian Economics Association, vol. 28(1), pages 177-204, February.
    Full references (including those not matched with items on IDEAS)

    Citations

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    Cited by:

    1. Robert A Buckle & Amy A Cruickshank, 2013. "The Requirements for Long-Run Fiscal Sustainability," Treasury Working Paper Series 13/20, New Zealand Treasury.
    2. John Creedy & Jesse Eedrah, 2014. "The Role of Value Judgements in Measuring Inequality," Treasury Working Paper Series 14/13, New Zealand Treasury.
    3. John Creedy & Jesse Eedrah, 2016. "Income redistribution and changes in inequality in New Zealand from 2007 to 2011: Alternative distributions and value judgements," New Zealand Economic Papers, Taylor & Francis Journals, vol. 50(2), pages 129-152, August.
    4. Penny Mok & Joseph Mercante, 2014. "Working for Families changes: The effect on labour supply in New Zealand," Treasury Working Paper Series 14/18, New Zealand Treasury.
    5. Nolan, Matt, 2018. "Did tax-transfer policy change New Zealand disposable income inequality between 1988 and 2013?," Working Paper Series 7661, Victoria University of Wellington, Chair in Public Finance.
    6. Nolan, Matt, 2018. "Did tax-transfer policy change New Zealand disposable income inequality between 1988 and 2013?," Working Paper Series 20842, Victoria University of Wellington, Chair in Public Finance.
    7. Amer Ahmed & Maurizio Bussolo & Marcio Cruz & Delfin S. Go & Israel Osorio-Rodarte, 2020. "Global Inequality in a more educated world," The Journal of Economic Inequality, Springer;Society for the Study of Economic Inequality, vol. 18(4), pages 585-616, December.
    8. Aziz, Omar & Gemmell, Norman & Laws, Athene, 2013. "The Distribution of Income and Fiscal Incidence by Age and Gender: Some Evidence from New Zealand," Working Paper Series 2852, Victoria University of Wellington, Chair in Public Finance.

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    More about this item

    Keywords

    Inequality; population ageing; survey calibration; poverty; fiscal incidence;
    All these keywords.

    JEL classification:

    • H24 - Public Economics - - Taxation, Subsidies, and Revenue - - - Personal Income and Other Nonbusiness Taxes and Subsidies
    • I14 - Health, Education, and Welfare - - Health - - - Health and Inequality
    • I24 - Health, Education, and Welfare - - Education - - - Education and Inequality
    • J1 - Labor and Demographic Economics - - Demographic Economics
    • H24 - Public Economics - - Taxation, Subsidies, and Revenue - - - Personal Income and Other Nonbusiness Taxes and Subsidies

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