Arbeitspapier

KiwiSaver: Comparing Survey and Administrative Data

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.

ISBN
978-0-478-42120-0
Language
Englisch

Bibliographic citation
Series: New Zealand Treasury Working Paper ; No. 14/06

Classification
Wirtschaft
Macroeconomics: Consumption; Saving; Wealth
Micro-Based Behavioral Economics: Role and Effects of Psychological, Emotional, Social, and Cognitive Factors on Decision Making‡
Subject
Altersvorsorge
Sozialstatistik
Datenqualität
Vergleich
Sozialversicherung
Befragung
Neuseeland

Event
Geistige Schöpfung
(who)
Samoilenko, Anton
Law, David
Event
Veröffentlichung
(who)
New Zealand Government, The Treasury
(where)
Wellington
(when)
2014

Handle
Last update
10.03.2025, 11:41 AM CET

Data provider

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Object type

  • Arbeitspapier

Associated

  • Samoilenko, Anton
  • Law, David
  • New Zealand Government, The Treasury

Time of origin

  • 2014

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