The same things happen to quite an extent around the globe. I mean, the European banks were doing what the American banks were.
Warren BuffettIn earlier years, a lesser effort produced literally dozens of comparable opportunities. It is difficult to be objective about the causes for such diminution of one's own productivity. Three factors that seem apparent are: (1) a somewhat changed market environment; (2) our increased size; and (3) substantially more competition.
Warren Buffett