We economists don't know much, but we do know how to create a shortage. If you want to create a shortage of tomatoes, for example, just pass a law that retailers can't sell tomatoes for more than two cents per pound. Instantly you'll have a tomato shortage. It's the same with oil or gas.
Milton FriedmanHong Kong is the bellwether. If the Chinese stick to their agreement to let Hong Kong go its own path, then China will also go that way. If they don't, that is a very bad sign. I'm optimistic.
Milton Friedman