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- 1. Variance estimation for measures of income inequality and polarization - An empirical study ArchivedArticles and reports: 12-001-X19970013104Description:
Measures of income inequality and polarization are fundamental to the discussions of many economic and thus their variances are not expressible by simple formulae and one must rely on approximate variance estimation techniques. In this paper, several methods of variance estimation for six particular income inequality and polarization measures are summarized and their performance is investigated empirically through a simulation study based on the Canadian Survey of Consumer Finance. Our findings indicate that for the measures studied here, the bootstrap and the estimating equations approach perform considerably better than the other methods.
Release date: 1997-08-18 - Articles and reports: 11F0019M1997066Geography: CanadaDescription:
Widely used summary measures of inequality or the "disappearing middle class" are potentially misleading. Divergences between evidence cited and conclusions drawn include failing to distinguish the concepts of inequality and polarization, and using scalar ôinequalityö measures which are not consistent with rankings based on Lorenz curves. In addition, inappropriate claims about trends in inequality can arise from focusing on only a sub-population such as full-time male workers, and failing to account for sampling variability. These divergences are illustrated using Canadian data on labour incomes over the 1967 to 1994 period.
Release date: 1997-07-30
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- 1. Variance estimation for measures of income inequality and polarization - An empirical study ArchivedArticles and reports: 12-001-X19970013104Description:
Measures of income inequality and polarization are fundamental to the discussions of many economic and thus their variances are not expressible by simple formulae and one must rely on approximate variance estimation techniques. In this paper, several methods of variance estimation for six particular income inequality and polarization measures are summarized and their performance is investigated empirically through a simulation study based on the Canadian Survey of Consumer Finance. Our findings indicate that for the measures studied here, the bootstrap and the estimating equations approach perform considerably better than the other methods.
Release date: 1997-08-18 - Articles and reports: 11F0019M1997066Geography: CanadaDescription:
Widely used summary measures of inequality or the "disappearing middle class" are potentially misleading. Divergences between evidence cited and conclusions drawn include failing to distinguish the concepts of inequality and polarization, and using scalar ôinequalityö measures which are not consistent with rankings based on Lorenz curves. In addition, inappropriate claims about trends in inequality can arise from focusing on only a sub-population such as full-time male workers, and failing to account for sampling variability. These divergences are illustrated using Canadian data on labour incomes over the 1967 to 1994 period.
Release date: 1997-07-30
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