"The Economics of Immigration summarizes the best social science studying the actual impact of immigration, which is found to be at odds with popular fears. Greater flows of immigration have the potential to substantially increase world income and reduce extreme poverty. Existing evidence...

The relaxation of emigration restrictions in the Soviet Union and the State's subsequent collapse led to a large exogenous shock to Israel's immigrant flows because Israel allows unrestricted immigration for world-wide Jews. Israel's population increased by 20 percent in the 1990s due to...