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Using Analysis of Gini (ANoGi) for Detecting Whether Two Sub-Samples Represent the Same Universe: The SOEP Experience

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Author Info

  • Frick, Joachim R.

    (DIW Berlin)

  • Goebel, Jan

    () (DIW Berlin)

  • Schechtman, Edna

    () (Ben Gurion University)

  • Wagner, Gert G.

    () (DIW Berlin)

  • Yitzhaki, Shlomo

    () (Hebrew University, Jerusalem)

Abstract

A particular shortcoming of panel surveys is potential bias arising from selective attrition. Based on data from the German Socio-Economic Panel Study (SOEP) we analyze potential artifacts (level, structure, inequality of income) by comparing results from two independently drawn panel sub-samples, started in 1984 and 2000, respectively. Both sub-samples carried on using the same set of follow-up rules. We apply ANOGI (ANalysis Of GIni) techniques, the equivalent of ANOVA (ANalysis Of VAriance) performed on the basis of the Gini coefficient. The decomposition followed is presented in Yitzhaki (1994). We rearrange, reinterpret and use the decomposition in the comparison of sub-populations from which the different subsamples were drawn. Taking into account indicators for income, and for control purposes those for education and satisfaction as well, significant differences between these two subsamples with respect to (income) inequality are found in the first year, which start to fade away in wave 2 and disappear in wave 3. We find credible indication for these differences to be driven by changes in response behavior of short term panel members rather than by attrition among members of the longer running sub-sample.

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Bibliographic Info

Paper provided by Institute for the Study of Labor (IZA) in its series IZA Discussion Papers with number 1049.

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Length: 41 pages
Date of creation: Mar 2004
Date of revision:
Publication status: published in: Sociological Methods and Research, 2006, 34 (4), 427-468
Handle: RePEc:iza:izadps:dp1049

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Keywords: panel studies; inequality decomposition; survey research; Gini; ANOGI;

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References

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  1. repec:ese:iserwp:97-11 is not listed on IDEAS
  2. Dagum, Camilo, 1980. "Inequality Measures between Income Distributions with Applications," Econometrica, Econometric Society, vol. 48(7), pages 1791-1803, November.
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Cited by:
  1. Conchita D'Ambrosio & Joachim R. Frick, 2004. "Subjective Well-Being and Relative Deprivation: An Empirical Link," Discussion Papers of DIW Berlin 449, DIW Berlin, German Institute for Economic Research.
  2. Joachim Frick & Kristina Krell, 2011. "Einkommensmessungen in Haushaltspanelstudien für Deutschland: Ein Vergleich von EU-SILC und SOEP," AStA Wirtschafts- und Sozialstatistisches Archiv, Springer, vol. 5(3), pages 221-248, December.
  3. Edna Schechtman & Shlomo Yitzhaki & Taina Pudalov, 2011. "Gini’s multiple regressions: two approaches and their interaction," Metron - International Journal of Statistics, Dipartimento di Statistica, Probabilità e Statistiche Applicate - University of Rome, vol. 0(1), pages 67-99.
  4. Conchita D'Ambrosio & Joachim R. Frick, 2012. "Individual Wellbeing in a Dynamic Perspective," Economica, London School of Economics and Political Science, vol. 79(314), pages 284-302, 04.
  5. Joachim R. Frick & Jan Goebel, 2005. "Regional Income Stratification in Unified Germany Using a Gini Decomposition Approach," Discussion Papers of DIW Berlin 540, DIW Berlin, German Institute for Economic Research.
  6. Paolo Liberati & Shlomo Yitzhaki, 2012. "GDP and beyond: an implementation of welfare considerations to the distribution of earnings in Italy," Departmental Working Papers of Economics - University 'Roma Tre' 0146, Department of Economics - University Roma Tre.
  7. repec:cep:cepsps:23 is not listed on IDEAS
  8. Conchita D’Ambrosio & Joachim Frick, 2007. "Income Satisfaction and Relative Deprivation: An Empirical Link," Social Indicators Research, Springer, vol. 81(3), pages 497-519, May.
  9. Shlomo Yitzhaki & Edna Schechtman, 2009. "The “melting pot”: A success story?," Journal of Economic Inequality, Springer, vol. 7(2), pages 137-151, June.
  10. Shlomo Yitzhaki & Edna Schechtman, 2005. "The properties of the extended Gini measures of variability and inequality," Metron - International Journal of Statistics, Dipartimento di Statistica, Probabilità e Statistiche Applicate - University of Rome, vol. 0(3), pages 401-433.
  11. Joachim R. Frick & Kristina Krell, 2010. "Measuring Income in Household Panel Surveys for Germany: A Comparison of EU-SILC and SOEP," SOEPpapers on Multidisciplinary Panel Data Research 265, DIW Berlin, The German Socio-Economic Panel (SOEP).
  12. repec:ese:iserwp:2012-15 is not listed on IDEAS

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