The poor get poorer: Tracking relative poverty in India using a durables-based mixture model

Sudeshna Maitra

Journal of Development Economics, 2016, vol. 119, issue C, 110-120

Abstract: I propose the use of a durables-based mixture model to identify the consumption class structure of a population. The mixture model decomposes the marginal distribution of durables ownership across all households, into three conditional distributions (one each for lower, middle and upper classes), along with their weights in the population distribution, endogenously determining class membership. This approach provides a potentially deeper understanding of the dynamics of classes, in particular the lower class, than can be obtained using poverty lines or PCA alone. It avoids many well-known problems with expenditure data, ameliorates the impact of changing survey designs, and enables an analysis of the behavior and membership of classes over time. I use the mixture approach to show that the urban lower class in India became smaller but poorer during the 1990s.

Keywords: Durable ownership; Consumption class; Relative poverty; Poverty line; Mixture model; EM algorithm; Indian poverty (search for similar items in EconPapers)
Date: 2016
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Citations: View citations in EconPapers (7)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:deveco:v:119:y:2016:i:c:p:110-120

DOI: 10.1016/j.jdeveco.2015.07.003

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