Empirical studies have found that achieving superdiversity—a substantial increase in the scale and scope of minority ethnic and immigrant groups in a region—can provide certain economic benefits, such as higher levels of worker productivity and innovation. Other studies have found that these...

Empirical studies have found that achieving superdiversity—a substantial increase in the scale and scope of minority ethnic and immigrant groups in a region—can provide certain economic benefits, such as higher levels of worker productivity and innovation. Other studies have found that these...

Immigration is one of the most important policy debates in Western countries. However, one aspect of the debate is often mischaracterized by accusations that higher levels of immigration lead to higher levels of crime. The evidence, based on empirical studies of many countries, indicates that...

Border enforcement of immigration laws attempts to raise the costs of illegal immigration, while interior enforcement also lowers the benefits. Border and interior enforcement therefore reduce the net benefits of illegal immigration and should lower the probability that an individual will decide...

Immigration is one of the most important policy debates in Western countries. However, one aspect of the debate is often mischaracterized by accusations that higher levels of immigration lead to higher levels of crime. The evidence, based on empirical studies of many countries, indicates that...

Border enforcement of immigration laws raises the costs of illegal immigration, while interior enforcement also lowers its benefits. Used together, border and interior enforcement therefore reduce the net benefits of illegal immigration and should lower the probability that an individual will...

Border enforcement of immigration laws attempts to raise the costs of illegal immigration, while interior enforcement also lowers the benefits. Border and interior enforcement therefore reduce the net benefits of illegal immigration and should lower the probability that an individual will decide...

Immigration is one of the most important policy debates in Western countries. However, one aspect of the debate is often mischaracterized by accusations that higher levels of immigration lead to higher levels of crime. The evidence, based on empirical studies of many countries, indicates that...

In addition to the heart-breaking human costs, violent civil rebellion is a cause of chronic economic under-development. Employment programs with former combatants and at-risk youth have improved their livelihoods, but not their support for non-violence and respect for law. Rebel groups provide...

The micro- and macroeconomic effects of the declining power of trade unions have been hotly debated by economists and policymakers. Nevertheless, the empirical evidence shows that the impact of the decline on economic aggregates and firm performance is not an overwhelming cause for concern....