Throughout the world, migration is an increasingly important and diverse component of population change, both at national and sub-national levels. Migration impacts on the distribution of knowledge and generates externalities and spillover effects. This book focuses on recent models and methods...

Learning English is a potentially profitable investment for immigrants in the U.S.: while there are initial costs, the subsequent benefits include the ability to communicate with the majority of the population, potentially leading to better paying jobs and economic success in the new country....