"t’s tempting to limit immigration when we face high unemployment. Politicians often suffer from the false belief that the number of jobs is fixed so that if we keep more labourers out there will be more for natives. My recent OECD working paper finds the opposite is true. Immigrants, of all kinds, are more likely to be entrepreneurs than natives. In many ways they’re job creators instead of takers."

Economic growth: Importing job growth | The Economist