This little gem by New Song permeates the airwaves each year around this time, igniting tears and snickers alike in its listeners. We all know why the man agrees to buy the shoes for the boy—I mean, "his clothes were worn and old, he was dirty from head to toe." But how much would he be willing to part with for this anonymous child—$20? $30? $100? According to a study, the sadder the man, the more he would be willing to pay.

. . . More