This article is about the US $1.25 a day poverty line. This [1] article indicates that diminishing returns will make it much harder to move the remaining billi

This article is about the US $1.25 a day poverty line. This [1] article indicates that diminishing returns will make it much harder to move the remaining billion over that line. 1. http://www.economist.com/news/briefing/21578643-world-has-astonishing-chance-take-billion-people-out-extreme-poverty-2030-not http://www.economist.com/news/briefing/21578643-world-has-as...