While everyone agrees that GDP per capita is an inadequate measure of a country’s overall “development” it is difficult to specify what, if anything, should take its place as a useful single summary number (or even just ranking). The Human Development Index is a prominent alternative which...

"Recent literature and new data help determine plausible bounds to some key demographic differences between the poor and non-poor in the developing world. The author estimates that selective mortality-whereby poorer people tend to have higher death rates-accounts for 10-30 percent of the...