Answer:
They lose people who could contribute to their countries economy.
Explanation:
The push factors to leave Iran were war and lack of high skilled employment. Many people fleeing military service in during the Iran-Iraq wars were given asylum due to their ability and education to perform highly skilled tasks. This led to the most highly educated people leaving the country, known as a brain drain. Some emigration is good for a countries economy as migrant send money back, know as a remittance. However, because of the reasons for leaving many migrants to not send money back. Many of them invest their money abroad and remove it from Iran instability.
