剧情简介：A leading economist and researcher report from the front lines of a revolution in solving the world's most persistent problem. When it comes to global poverty, people are passionate and polarized. At one extreme: We just need to invest more resources. At the other: We've thrown billions down a sinkhole over the last fifty years and accomplished almost nothing. Dean Karl...(展开全部)
作者：Dean Karlan
出版社：Dutton Adult
ISBN：9780525951896
