Econbrowser: The distribution of world income« The Return of Knowledge-Based Policy-Making? | Main | Discussing the Economy on Minnesota Public Radio » January 13, 2007 The distribution of world income One of the most profound questions in economics is why are some countries rich and others poor? A paper by John Gallup, Jeffrey Sachs and Andrew Mellinger in the International Regional Science Review in 1999 introduced the concept of "GDP dens
