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KiwiSaver: Comparing Survey and Administrative Data

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Abstract

This paper explores the KiwiSaver information contained in two sources: the administrative data from the Inland Revenue Department (IRD) and the Survey of Family, Income and Employment (SoFIE). In particular, the paper explores the membership and contribution information, explaining significant patterns and highlighting any differences that exist between the two data sources. At the aggregate level, the paper shows noticeable difference in membership levels, tenure, annual employer and employee contributions and total cumulative contributions. At the individual level, regression results identify the main determinants of the observed differences and quantify their impact.

Suggested Citation

  • Anton Samoilenko & David Law, 2014. "KiwiSaver: Comparing Survey and Administrative Data," Treasury Working Paper Series 14/06, New Zealand Treasury.
    • Handle: RePEc:nzt:nztwps:14/06
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    File URL: https://treasury.govt.nz/sites/default/files/2014-02/twp14-06.pdf
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    1. David Law & Lisa Meehan & Grant M Scobie, 2011. "KiwiSaver: An Initial Evaluation of the Impact on Retirement Saving," Treasury Working Paper Series 11/04, New Zealand Treasury.
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    Cited by:

    1. David Law & Grant M. Scobie, 2018. "KiwiSaver and the accumulation of net wealth," New Zealand Economic Papers, Taylor & Francis Journals, vol. 52(1), pages 1-20, January.

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    More about this item

    JEL classification:

    • E21 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Consumption; Saving; Wealth
    • D91 - Microeconomics - - Micro-Based Behavioral Economics - - - Role and Effects of Psychological, Emotional, Social, and Cognitive Factors on Decision Making

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