When measuring poverty over time analysts must choose the value of the income elacticity of the poverty line. The …. Borrowing from the life-style and deprivation approach to poverty various dimensions of poverty and deprivation are identified … and the income elasticity of these items is used as the income elasticity of the poverty line. …

Results from poverty studies are sensitive to the choice f the poverty line. Poverty dominance analysis uses stochastic … dominance to provide rankings of distributions in terms of poverty which are not sensitive to the choice of poverty lines or … which at least give an unambiguous results over a wide range of poverty lines. …