The Institute for Humane Studies is putting together (and beta-testing) a series of short videos on basic principles of economics and the classical liberal tradition; they’re available at LearnLiberty.org. Here the first of my three “Trade is Made of Win” videos, which you might find useful if you’re teaching comparative advantage. In it, I explain how trade allows both buyers and sellers to get more for less effort. In short, buyers get lower prices and sellers get higher prices.