The world is currently at a crossroads. Low- and middle-income countries such as Nigeria are seeing rapid growth in their working-age populations. Yet often, these increasingly educated and skilled young people cannot find meaningful work within their countries of origin, either because their...

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...