{2}In the laboratory games, the poorest players surrendered some of their own money tokens simply to penalise their richer counterparts, without any hope of personal gain.

• 在一些实验游戏中，仅仅为了惩罚富有的对手，最穷的玩家放弃了自己的一部分代币，而他们自己却没有任何获得个人收益的可能。