For centuries, philosophers have been puzzled by the fact that people often respect moral obligations as a matter of principle, setting aside considerations of self-interest. In more recent years, social scientists have been puzzled by the more general phenomenon of rule-following, the fact that people often abide by social norms even when doing so produces undesirable consequences. Experimental game theorists have demonstrated conclusively that the old-fashioned picture of "economic man," constantly reoptimizing in order to maximize utility in all circumstances, cannot provide adequate...
For centuries, philosophers have been puzzled by the fact that people often respect moral obligations as a matter of principle, setting aside consider...