罗切斯特的经济学教授Steven E. Landsburg写道：如果你不能改变一个人的消费，你就不可能对这个人收税，即便你把他银行里的钱都拿走也不行。郭凯：steven不过是说税收负担最终未必落在那个交税的人头上。我想起这大概就是所谓的"富人税（奢侈品税啊，房屋买卖课税啊~~~list~）"为什么总是伤害穷人的理论。
In this stupid country, we have enough physician, sufficient pharmacuticals and devices, but we don't have ownership, so the health system is a mess. It is growing, but it can not be evolving, re-organizing, or even moving. The system is learning, yet without development. All of these resulted from the idea that no one knows who owns it. 租值消散（dissipation of rent）或租值耗散理论(The Theory of Rent Dissipation)在国内译作"租值耗散"，又称"租耗"。 -- 公地的悲剧，产权的经济学。
