Frequently the country people are leaving also benefits. Many emigrants send money back to family. Some amount of emigrants moves back and bring what they lear

Frequently the country people are leaving also benefits. Many emigrants send money back to family. Some amount of emigrants moves back and bring what they learned with them. I've read the argument by Bryan Kaplan that this is a big factor why Puerto Rico is doing better than most of the island surrounding it. Of course Cuba being Cuba makes all these benefits harder or undesirable.