Economic arguments favoring increased immigration restrictions suggest that immigrants undermine the culture, institutions, and productivity of destination countries. But is this actually true? Alex Nowrasteh breaks the economic impact of immigration down for us by pulling data from history as well as from policies that other countries use to control immigration.What happens if we open up immigration? What is a founder effect? Why do people want to come to America? See acast.com/privacy for privacy and opt-out information.