I'm a bit confused about that as well. What's worse is that the background papers that the world bank website references seem to all 404: http://web.worldbank.o

I'm a bit confused about that as well. What's worse is that the background papers that the world bank website references seem to all 404: http://web.worldbank.org/WBSITE/EXTERNAL/EXTDEC/EXTRESEARCH/EXTPROGRAMS/EXTPOVRES/EXTPOVCALNET/0,,contentMDK:21869487~menuPK:5314882~pagePK:64168445~piPK:64168309~theSitePK:5280443,00.html#Background_Papers http://web.worldbank.org/WBSITE/EXTERNAL/EXTDEC/EXTRESEARCH/...