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Reweighting Household Surveys for Tax Microsimulation Modelling: An Application to the New Zealand Household Economic Survey

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Author Info

  • John Creedy

    ()
    (The University of Melbourne)

  • Ivan Tuckwell

    (New Zealand Treasury)

Abstract

This paper reports a reweighting exercise for the New Zealand Household Economic Survey, which is the basis of the Treasury’s microsimulation model, TaxMod. Comparisons of benefit expenditures in a variety of demographic groups, along with population data, reveal that TaxMod estimates differ substantially from totals based on administrative data, when the weights provided by Statistics New Zealand are used. After describing the method used to compute new weights, the calibration requirements are reported. These relate to the age structure of the population and the number of beneficiaries for Unemployment Benefit, Domestic Purposes Benefit, Invalid’s and Sickness Benefits and Family Support and Tax Credits. The revised weights and expenditure estimates are reported and the resulting distribution of income examined. The new weights are found to produce much improved expenditure estimates, while having little effect on the resulting income distribution. The effects of reweighting are demonstrated using a simple policy simulation.

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Bibliographic Info

Article provided by Bankwest Curtin Economics Centre (BCEC), Curtin Business School in its journal Australian Journal of Labour Economics.

Volume (Year): 7 (2004)
Issue (Month): 1 (March)
Pages: 71-88

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Handle: RePEc:ozl:journl:v:7:y:2004:i:1:p:71-88

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Postal: GPO Box U1987, Perth WA 6845
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Web page: http://business.curtin.edu.au/research/publications/journals/ajle/
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Related research

Keywords: Labor Force and Employment; Size; and Structure (by industry; occupation; demographic characteristics; etc.) Survey Methods Model Evaluation and Testing;

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Cited by:
  1. Michal Myck & Mateusz Najsztub, 2014. "Data and Model Cross-Validation to Improve Accuracy of Microsimulation Results: Estimates for the Polish Household Budget Survey," Discussion Papers of DIW Berlin 1368, DIW Berlin, German Institute for Economic Research.
  2. Bourguignon, François & Bussolo, Maurizio, 2013. "Income Distribution in Computable General Equilibrium Modeling," Handbook of Computable General Equilibrium Modeling, Elsevier.
  3. Miriam Hortas-Rico & Jorge Onrubia & Daniele Pacifico, 2013. "Personal Income Distribution at the Local Level. An Estimation for Spanish Municipalities Using Tax Microdata," International Center for Public Policy Working Paper Series, at AYSPS, GSU paper1314, International Center for Public Policy, Andrew Young School of Policy Studies, Georgia State University.

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