Clemens, Michael A.; Pritchett, Lant - In: Population and Development Review 34 (2008) 3, pp. 395-434
It is easy to learn the average income of a resident of El Salvador or Albania. But there is no systematic source of information on the average income of a Salvadoran or Albanian. We estimate a new statistic: income per natural-the mean annual income of all people born in a given country,...