War’s economic fallout: A tech-worker exodus from three nations

Ukraine is a different story. Its brain drain is perhaps far more temporary, at least as long as it remains an independent country. For one thing, under certain circumstances, brain drains can create a brain gain, even for a nation that’s losing people. “That effect has been documented all over the world,” says Michael Clemens, director of migration, displacement, and humanitarian policy at the Center for Global Development in Washington.