The rationalist model of human behavior states that we do everything due to self interest. Even altruistic behavior exist due to the perception we have that they will serve our self-interests in some way, direct or indirect. This line of reasoning have permeated almost every science including biolog...
Robert Frank and Philip J. Cook have written a most interesting book that explains why the salary of a typical American executive today is 120 times that of the average manufacturing worker when it was 35 times that in 1974; why "the incomes of the top 1 percent more than doubled in real terms betwe...