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Using the P90/P10 Index to Measure US Inequality Trends with Current Population Survey Data: A View from Inside the Census Bureau Vaults

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dc.creator Burkhauser, Richard V.
dc.creator Feng, Shuaizhang
dc.creator Jenkins, Stephen P.
dc.date 2007
dc.date.accessioned 2013-10-16T06:59:56Z
dc.date.available 2013-10-16T06:59:56Z
dc.date.issued 2013-10-16
dc.identifier http://hdl.handle.net/10419/18431
dc.identifier ppn:53498956X
dc.identifier.uri http://koha.mediu.edu.my:8181/xmlui/handle/10419/18431
dc.description The March Current Population Survey (CPS) is the primary data source for estimation of levels and trends in labor earnings and income inequality in the USA. Time-inconsistency problems related to top coding in theses data have led many researchers to use the ratio of the 90th and 10th percentiles of these distributions (P90/P10) rather than a more traditional summary measure of inequality. With access to public use and restricted-access internal CPS data, and bounding methods, we show that using P90/P10 does not completely obviate timeinconsistency problems, especially for household income inequality trends. Using internal data, we create consistent cell mean values for all top-coded public use values that, when used with public use data, closely track inequality trends in labor earnings and household income using internal data. But estimates of longer-term inequality trends with these corrected data based on P90/P10 differ from those based on the Gini coefficient. The choice of inequality measure matters.
dc.language eng
dc.publisher Deutsches Institut für Wirtschaftsforschung (DIW) Berlin
dc.relation DIW-Diskussionspapiere 699
dc.rights http://www.econstor.eu/dspace/Nutzungsbedingungen
dc.subject J3
dc.subject D3
dc.subject C8
dc.subject ddc:330
dc.subject inequality
dc.subject income
dc.subject earnings
dc.subject Current Population Survey
dc.subject decile ratio
dc.subject Gini coefficient
dc.subject Einkommensverteilung
dc.subject Disparitätsmaß
dc.subject Mikrozensus
dc.subject USA
dc.title Using the P90/P10 Index to Measure US Inequality Trends with Current Population Survey Data: A View from Inside the Census Bureau Vaults
dc.type doc-type:workingPaper


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