Ravallion, Martin; Chen, Shaohua; Sangraula, Prem - Economics Research, World Bank Group - 2008
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 povertylines we find that a marked economic gradient only emerges when...