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Measuring inequality of opportunity with imperfect data : the case of Turkey
 
Author:Ferreira, Francisco H. G.; Gignoux, Jeremie; Aran, Meltem; Collection Title:Policy Research working paper ; no. WPS 5204
Country:Turkey; Date Stored:2010/02/10
Document Date:2010/02/01Document Type:Policy Research Working Paper
Language:EnglishRegion:Europe and Central Asia
Report Number:WPS5204SubTopics:Economic Theory & Research; Rural Poverty Reduction; Inequality; Population Policies; Equity and Development
Volume No:1 of 1  

Summary: The measurement of inequality of opportunity has hitherto not been attempted in a number of countries because of data limitations. This paper proposes two alternative approaches to circumventing the missing data problems in countries where a demographic and health survey and an ancillary household expenditure survey are available. One method relies only on the demographic and health survey, and constructs a wealth index as a measure of economic advantage. The alternative method imputes consumption from the ancillary survey into the demographic and health survey. In both cases, the between-type share of overall inequality is computed as a lower bound estimator of inequality of opportunity. Parametric and non-parametric estimates are calculated for both methods, and the parametric approach is shown to yield preferable lower-bound measures. In an application to the sample of ever-married women aged 30-49 in Turkey, inequality of opportunity accounts for at least 26 percent (31 percent) of overall inequality in imputed consumption (the wealth index).

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