"In early twentieth-century China, goods were transported by barges pulled by teams of six men who were rewarded heavily if they arrived at their destination on time. Because each man calculated that success depended largely on the efforts of the other five, teams were plagued by chronic shirking. If"
"Barge teams quickly evolved a mechanism for averting such unfortunate outcomes. The six team members collectively hired a seventh man to whip them."
"我不明白人们为什么总相互赠送在商场购买的礼物,而不是直接给对方现金。后一种做法既不会选错尺码,也不会弄错颜色。有些人说,人们送礼物表示花了时间去购物。但送钱也可以达到一样的效果一一我们的确花了时间才挣到钱,不是吗? 我的朋友大卫・弗里德曼( David Friedman)认为,人们交换礼物恰恰出于完全相反的理由:因为想告诉对方我们根本没时间购物。如果我真的把你放在心上,就应该很凊楚你的品味,为你挑选一件合适的礼物根本不是什么难事。但如果我不在意你,还要找到一件合适你的礼物就成了讨厌的负担。因为你知道我花在购物上的时间有限,但还是挑到了一些合适的礼物,这表示我真的在意你。我喜欢这种说法。"