Ravallion, Martin; Chen, Shaohua; Sangraula, Prem - 2012
The paper presents the first major update of the international "$1 a day" poverty line, first proposed in 1990 for … measuring absolute poverty by the standards of the world's poorest countries. In a new data set of national poverty lines we … power parity. Below this, the average poverty line is $1.25, which we propose as the new international poverty line …