Your Favorite Episodes of 2021

This essay is part of an occasional series on fundamental economic concepts. "Prices adjust. They're not fixed. Supply and demand helps us remember this." My three sons, ages seven to twelve, suffer from a chronic condition I've heard described by economist John Baden as ironitis—the love of anything made of metal. They are fascinated by cars, trucks, backhoes, tractors and—well, you get the idea. The other day, my middle son suggested that my next car should be a conve...