People do not want to pay more for milk, butter, shoes, furniture, rent, theater tickets or diamonds. Whenever any of these items rises above its previous level the consumer becomes indignant, and feels that he is being rooked. The only exception is the item he makes himself: here he understands and appreciates the reason for the rise. But he is always likely to regard his own business as in some way an exception. “Now my own business,” he will say, “is peculiar, and the public does not understand it.