Saving "the Market” out of Cambridge: “Marginality”
Have you ever been interested in one tenth a piece of sushi? Have you ever gotten one thousandth of Domino’s pizza doggy-bagged? Have you ever had a half bottle of Hermes gift-wrapped? Have you ever seen half a Mercedes driven on the road? If ever, that was not in this world. Incidentally, there is a story in the East about a village dwelt by half the creatures. There you go! You see half a wild cat and half a stray dog strolling in the community. Fairly fairy-tale-like! By now, it is apparent that the “marginal unit” as called in economics represents the smallest working unit. Never, a tenth, a hundredth, not to mention the infinitesimal. I am two hundred percent sure that my demand curve in the market for whatever is discrete, way beyond mathematical differentiation. Water? Well, I always and everywhere buy it bottle by bottle. Ho...