We use recent immigration data from 195 countries and propose an index of population diversity based on people's birthplaces. This new index is then decomposed into a size (share of foreign born) and a variety (diversity of immigrants) component and is available for 1990 and 2000 disaggregated...

This paper argues, in line with the proposals of the recent Stiglitz Commission on the Measurement of Economic Performance and Social Progress, that we should now be measuring a nation's emotional prosperity rather than its economic prosperity (that is, we ought to focus on the level of mental...