Could prosperity at home curb migration? (Marketplace)

From the radio segment:

The debate in Washington continues over solutions to the overflowing temporary shelters at the U.S.-Mexican border. The U.S. Senate passed a bill yesterday afternoon while voting down a House alternative. The debate has focused on short-term aid, but a new report from the Peterson Institute for International Economics suggests that, in the long term, sending aid abroad could spur economic growth and help ease the migration surge.

(Michael Clemens speaks at 1:10)