For a tariff that hurts one industry but helps another, it's comparative advantage, not just advantage, that is relevant. (Even if country A is better at makin

For a tariff that hurts one industry but helps another, it's comparative advantage, not just advantage, that is relevant. (Even if country A is better at making both product X and product Y than country B, introducing trade between A and B can result in manufacturing of Y migrating to country B.) https://en.wikipedia.org/wiki/Comparative_advantage https://en.wikipedia.org/wiki/Comparative_advantage