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Journal of Human Resources

Опубликовано на портале: 20-07-2004
Joan R. Rodgers, John L. Rodgers Journal of Human Resources. 1993.  Vol. 28. No. 1. P. 25-54. 
This paper proposes a method of measuring chronic and transitory poverty using an axiomatically sound, additively decomposable index of aggregate poverty. Our approach is contrasted with alternative methods of measuring poverty persistence. We use our method to measure chronic and transitory poverty in the United States during the 1980s and late 1970s and find that chronic poverty is a more serious problem than previously thought. Between the late 1970s and mid 1980s poverty not only increased, it became more chronic and less transitory in nature. This is true for the population as a whole and for some, but not all, of the subpopulations we considered. The latter were defined according to race, type of social unit, and educational qualifications of the head of the social unit. All empirical analyses are based on data from the Panel Study of Income Dynamics.
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Опубликовано на портале: 20-07-2004
Lars Osberg, Kuan Xu Journal of Human Resources. 2000.  Vol. 35. No. 1. P. 51-81. 
This paper proposes an alternative formulation for the Sen-Shorrocks-Thon (SST) index of poverty intensity that is appropriate for survey data with sampling weights. It also decomposes the SST index into the poverty rate, the average poverty gap ratio among the poor, and the overall Gini index of poverty gap ratios. To account for sampling variation in estimates of poverty intensity, this paper uses the bootstrap method to compute confidence intervals and presents international comparisons using Luxembourg Income Study (LIS) data from the 1970s to the 1990s. Cross-sectional and longitudinal analyses indicate that the percentage change in poverty intensity can be approximated by the sum of percentage changes in the poverty rate and average poverty gap ratio, since changes in the overall Gini index of poverty gap ratios are negligible. In the early 1970s poverty intensity in Canada and the United States was almost indistinguishable, but in the 1970s Canadian poverty intensity decreased. Large increases in poverty intensity occurred in the 1980s in the United States, the United Kingdom, and Sweden.
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Опубликовано на портале: 20-07-2004
Shelley A. Phipps Journal of Human Resources. 1993.  Vol. 28. No. 1. P. 162-184. 
This paper uses microdata from the 1986 Statistics Canada Family Expenditure Survey to demonstrate that inequality-sensitive poverty measures such as the Foster-Greer-Thorbecke (1984) index are as sensitive to the equivalence scale embodied in the poverty line as the more frequently used head count and poverty gap measures. Indices of the Foster-Greer-Thorbecke variety are useful, however, for revealing demographic subgroups experiencing extreme deprivation, information not provided by the more standard poverty measures. The paper also demonstrates that our understanding of the relative poverty experiences of important demographic subgroups such as children and the elderly can be influenced by our choice of equivalence scale.
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