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Growth regressions and data revisions in Penn World Tables

Author

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  • Paul Atherton
  • Simon Appleton
  • Michael Bleaney

Abstract

Purpose - Penn World Tables (PWT) data on output measured at international prices are the data most frequently used in cross‐country growth regressions. These data are subject to revision, and the amendments can be substantial for a minority of countries, although negligible for most. The purpose of this paper is to investigate the effect of data revisions on research results using the data. Design/methodology/approach - Using Hanushek and Kimko's analysis of the relationship between growth and schooling quality and Sala‐i‐Martin's tests of model selection, the authors investigate how much the results of cross‐country growth regressions vary if the most recent vintage (6.2) of PWT data is used, rather than the previous vintage (6.1). Findings - The variation is substantial enough to imply significant differences in research results using different vintages of the PWT data. Practical implications - The results reinforce the case for examining the sensitivity of growth regressions to outliers, which may be subject to subsequent data revision that might substantially affect the conclusions. Originality/value - Previous research has identified significant revisions between successive vintages of PWT growth data, but has implied that this is not likely to affect the results of cross‐country growth regressions based on long‐run averages rather than on annual data. The findings suggest that this is not necessarily the case.

Suggested Citation

  • Paul Atherton & Simon Appleton & Michael Bleaney, 2011. "Growth regressions and data revisions in Penn World Tables," Journal of Economic Studies, Emerald Group Publishing Limited, vol. 38(3), pages 301-312, August.
    • Handle: RePEc:eme:jespps:v:38:y:2011:i:3:p:301-312
    DOI: 10.1108/01443581111152418
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    Citations

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    Cited by:

    1. Eric Hanushek & Ludger Woessmann, 2012. "Do better schools lead to more growth? Cognitive skills, economic outcomes, and causation," Journal of Economic Growth, Springer, vol. 17(4), pages 267-321, December.
    2. Jetter, Michael & Parmeter, Christopher F., 2015. "Trade openness and bigger governments: The role of country size revisited," European Journal of Political Economy, Elsevier, vol. 37(C), pages 49-63.
    3. Roger, Lionel, 2019. "A replication of "The long-run impact of foreign aid in 36 African countries: Insights from multivariate time series analysis" (Oxford Bulletin of Economics and Statistics, 2014)," Economics - The Open-Access, Open-Assessment E-Journal (2007-2020), Kiel Institute for the World Economy (IfW Kiel), vol. 13, pages 1-53.
    4. Roger, Lionel, 2019. "A replication of "The long-run impact of foreign aid in 36 African countries: Insights from multivariate time series analysis" (Oxford Bulletin of Statistics and Economics, 2014)," Economics Discussion Papers 2019-27, Kiel Institute for the World Economy (IfW Kiel).

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