Modifying the national poverty line to the context of observed consumption patterns of the poor is becoming popular. A … context-specific poverty line would be more consistent with preferences. This paper provides theoretical and empirical … evidence that the contrary holds and that the national poverty line is more appropriate for comparing living standards among …

), analysts and institutions are confronted with the question of whether and how to use them for global poverty estimation. The … world. This paper presents evidence that if the global poverty line is updated with the 2011 PPP data based on the same set … of national poverty lines that define the $1.25 line in 2005 PPPs, and if the 2011 PPP conversion factors are used …