The diversity of people has economic costs and benefits. Using recent immigration data from 195 countries, we propose an index of diversity based on people's birthplaces. This new index is decomposed into a "size" (share of foreign born) and a "variety" (diversity of immigrants) component and is...

A unique survey which tracks worldwide the best and brightest academic performers from three Pacific countries is used to assess the extent of emigration and return migration among the very highly skilled, and to analyze, at the microeconomic level, the determinants of these migration choices....

This paper develops and estimates a dynamic model where individuals differ in ability and location preference to evaluate the mechanisms that affect the evolution of immigrants' careers in conjunction with their re-migration plans. Our analysis highlights a novel form of selective return...

This study investigates the effects of the macroeconomic context on attitudes to immigration. Earlier studies do in most cases not provide significant empirical support for the existence of important such effects. In this article it is argued that this lack of consistent evidence is mainly due...