Marshall's crime is to pretend to handle imperfect competition with tools only applicable to perfect competition.
Paul SamuelsonEven if this advice to portfolio decision makers to drop dead is good advice, it obviously is not counsel that will be eagerly followed. Few people will commit suicide without a push. And fewer still will pay good money to be told to do what is against human nature and self-interest to do.
Paul SamuelsonThat's what I would like to do until the end of time, to go on scribbling my articles on the third floor of the Sloan Building, in between playing tennis and drinking coffee at my other study in the Concord Avenue branch of Burger King.
Paul SamuelsonWhen the economy was going up, [Milton Friedman and I] both gave the same advice, and when the economy was going down, we gave the same advice. But in between he didn't change his advice at all.
Paul Samuelson