Conindex: Estimation of Concentration Indices

Conindex: Estimation of Concentration Indices

Concentration indices are frequently used to measure inequality in one variable over the distribution of another. Most commonly, they are applied to the measurement of socioeconomic-related inequality in health. We introduce the user-written command conindex, which provides point estimates and stand...

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Veröffentlicht in:The Stata journal 2016-03, Vol.16 (1), p.112-138
Hauptverfasser: O'Donnell, Owen, O'Neill, Stephen, Van Ourti, Tom, Walsh, Brendan
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Inequalities (Mathematics)
Mathematical research
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creator O'Donnell, Owen
O'Neill, Stephen
Van Ourti, Tom
Walsh, Brendan
description Concentration indices are frequently used to measure inequality in one variable over the distribution of another. Most commonly, they are applied to the measurement of socioeconomic-related inequality in health. We introduce the user-written command conindex, which provides point estimates and standard errors of a range of concentration indices. The command also graphs concentration curves (and Lorenz curves) and performs statistical inference for the comparison of inequality between groups. We offer an accessible introduction to the various concentration indices that have been proposed to suit different measurement scales and ethical responses to inequality. We also demonstrate the command's capabilities and syntax by analyzing wealth-related inequality in health and health care in Cambodia.
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subjects Inequalities (Mathematics)
Mathematical research
title Conindex: Estimation of Concentration Indices
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