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KMID : 1001320110380010084
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Social Welfare Policy
2011 Volume.38 No. 1 p.84 ~ p.111
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The Effects of Household Composition Variety on Income Inequality
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Ban Jung-Ho
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Abstract
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This study aims to empirically analyse the effects that recently observed changes in household composition have had on income inequality. During the decade spanning 1999 to 2008, Korean society has seen a rise in the number of elderly, single-parent, and single-generation households. This trend also coincides with the rise of households supported by professional/daily/temporary work earners and the fall of nonworking households and permanent-work earners. Static/dynamic factor decomposition analyses of the effects of changing household composition on income inequality reveal that the increase in the number of elderly, single-parent, and single-generation households plays an important part in deepening income inequality in urban households. Also, with respect to the work status of the household head (main earner), I find that the increased share of workers in unstable working arrangements (such as non-working, daily, temporary work) explains the higher income inequality. These results suggest that, in the face of reasonably predictable dynamic changes resulting from socio-economic or demographic shifts, family and employment policies must be oriented to preventing household compositions effects (defined by a certain gender or other demographic group) from translating directly into those households’ economic deprivation or poverty.
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KEYWORD
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family composition, income inequality, poverty, factor decomposition
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