Synonyms
The SST index of poverty intensity
The Sen-Shorrocks-Thon (SST) index is an index of poverty intensity. It is also called the modified Sen index of poverty intensity. This index is proposed by Shorrocks (1995) as an extension of the Sen (1976) index. As noted by Zheng (1997), the resulting index is consistent with the limit of another index proposed by Thon (1979). Because of this interesting intellectual history, Xu (1998) calls this index the Sen-Shorrocks-Thon (SST) index. Now it is one of the widely used indicators of poverty in a society (see Haughton and Khandker 2009, pp. 74–76). The SST index measures poverty incidence, depth, and inequality jointly and hence is a comprehensive poverty measure. In addition, this index can be decomposed into its constituting parts transparently.
According to Osberg and Xu (1999, 2000) and Xu and Osberg (2002), the SST index of poverty intensity can be calculated as the product of three poverty measures during a certain period of time:...
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References
Haughton, J., & Khandker, S. R. (2009). Handbook on poverty and inequality. Washington, DC: World Bank.
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Zheng, B. (1997). Aggregate poverty measures. Journal of Economic Surveys, 11, 123–161.
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Xu, K. (2020). The Sen-Shorrocks-Thon Index of Poverty Intensity. In: Maggino, F. (eds) Encyclopedia of Quality of Life and Well-Being Research. Springer, Cham. https://doi.org/10.1007/978-3-319-69909-7_2697-2
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DOI: https://doi.org/10.1007/978-3-319-69909-7_2697-2
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