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Inequality in New Zealand 1983/84 to 2013/14

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  • Ball, Christopher
  • Creedy, John

Abstract

This paper provides an empirical analysis of annual income and expenditure inequality in New Zealand over a thirty-year period from the early 1980s. The extent of redistribution through the tax and benefit system is also explored. Household Economic Survey data are used for each year from 1983/84 to 1997/98 inclusive, 2000/01 and 2003/04 , and for each year from 2006/07. Survey calibration methods are used to examine inequality on the assumption that a range of (approximately 50) population characteristics remain constant over the period. Furthermore, decomposition methods are used to examine the separate contributions to changing inequality of population ageing, changes in labour force participation and household structure.

Suggested Citation

  • Ball, Christopher & Creedy, John, 2015. "Inequality in New Zealand 1983/84 to 2013/14," Working Paper Series 19330, Victoria University of Wellington, Chair in Public Finance.
    • Handle: RePEc:vuw:vuwcpf:19330
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    File URL: https://ir.wgtn.ac.nz/handle/123456789/19330
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    References listed on IDEAS

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    1. Banks, James & Johnson, Paul, 1994. "Equivalence Scale Relativities Revisited," Economic Journal, Royal Economic Society, vol. 104(425), pages 883-890, July.
    2. Peter Saunders, 1994. "Rising on the Tasman Tide: Income Inequality in Australia and New Zealand in the 1980s," Discussion Papers 0049, University of New South Wales, Social Policy Research Centre.
    3. Lewis Evans & Arthur Grimes & Bryce Wilkinson, 1996. "Economic Reform in New Zealand 1984-95: The Pursuit of Efficiency," Journal of Economic Literature, American Economic Association, vol. 34(4), pages 1856-1902, December.
    4. Iris Claus & John Creedy & Josh Teng, 2012. "The Elasticity of Taxable Income in New Zealand," Fiscal Studies, Institute for Fiscal Studies, vol. 33(3), pages 287-303, September.
    5. André Decoster & Erwin Ooghe, 2002. "Weighting with individuals, equivalent individuals, or not weighting at all. Does it matter empirically?," Public Economics Working Paper Series ces0215, Katholieke Universiteit Leuven, Centrum voor Economische Studiën, Working Group Public Economics.
    6. Glewwe, Paul, 1991. "Household equivalence scales and the measurement of inequality : Transfers from the poor to the rich could decrease inequality," Journal of Public Economics, Elsevier, vol. 44(2), pages 211-216, March.
    7. John Creedy & Cath Sleeman, 2005. "Adult equivalence scales, inequality and poverty," New Zealand Economic Papers, Taylor & Francis Journals, vol. 39(1), pages 51-81.
    8. John Creedy, 2013. "Alternative Distributions for Inequality and Poverty Comparisons," Treasury Working Paper Series 13/11, New Zealand Treasury.
    9. Olivier Bargain, 2012. "Decomposition analysis of distributive policies using behavioural simulations," International Tax and Public Finance, Springer;International Institute of Public Finance, vol. 19(5), pages 708-731, October.
    10. Iris Claus & John Creedy & Josh Teng, 2012. "The Elasticity of Taxable Income in New Zealand," Fiscal Studies, Institute for Fiscal Studies, vol. 33(3), pages 287-303, September.
    11. Anthony Shorrocks, 2004. "Inequality and welfare evaluation of heterogeneous income distributions," The Journal of Economic Inequality, Springer;Society for the Study of Economic Inequality, vol. 2(3), pages 193-218, July.
    12. Podder, Nripesh & Chatterjee, Srikanta, 2002. "Sharing the national cake in post reform New Zealand: income inequality trends in terms of income sources," Journal of Public Economics, Elsevier, vol. 86(1), pages 1-27, October.
    13. John Creedy, 2013. "Alternative Distributions for Inequality and Poverty Comparisons," Treasury Working Paper Series 13/11, New Zealand Treasury.
    14. Anthony F. Shorrocks, 2004. "Inequality and Welfare Evaluation of Heterogeneous Income Distributions," WIDER Working Paper Series RP2004-01, World Institute for Development Economic Research (UNU-WIDER).
    15. John Creedy & Rosanna Scutella, 2004. "The Role of the Unit of Analysis in Tax Policy Return Evaluations of Inequality and Social Welfare," Australian Journal of Labour Economics (AJLE), Bankwest Curtin Economics Centre (BCEC), Curtin Business School, vol. 7(1), pages 89-108, March.
    16. Jenkins, Stephen P & Cowell, Frank A, 1994. "Parametric Equivalence Scales and Scale Relativities," Economic Journal, Royal Economic Society, vol. 104(425), pages 891-900, July.
    17. Atkinson, Anthony B., 1970. "On the measurement of inequality," Journal of Economic Theory, Elsevier, vol. 2(3), pages 244-263, September.
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    Citations

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    Cited by:

    1. Nolan, Matt, 2018. "Income Tax and Transfer Policy Changes in New Zealand: 1988-2013," Working Paper Series 20839, Victoria University of Wellington, Chair in Public Finance.
    2. Omoniyi B. Alimi & David C. Maré & Jacques Poot, 2018. "More Pensioners, Less Income Inequality? The Impact of Changing Age Composition on Inequality in Big Cities and Elsewhere," Advances in Spatial Science, in: Roger R. Stough & Karima Kourtit & Peter Nijkamp & Uwe Blien (ed.), Modelling Aging and Migration Effects on Spatial Labor Markets, chapter 0, pages 133-159, Springer.
    3. Omoniyi B Alimi & David C Maré & Jacques Poot, 2017. "More pensioners, less income inequality?," Working Papers 17_02, Motu Economic and Public Policy Research.

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    More about this item

    Keywords

    Income Inequality; Calibration Weighting; Decomposition;
    All these keywords.

    JEL classification:

    • H23 - Public Economics - - Taxation, Subsidies, and Revenue - - - Externalities; Redistributive Effects; Environmental Taxes and Subsidies
    • H24 - Public Economics - - Taxation, Subsidies, and Revenue - - - Personal Income and Other Nonbusiness Taxes and Subsidies
    • I3 - Health, Education, and Welfare - - Welfare, Well-Being, and Poverty

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