消费者每日使用剩余是什么，何时它与使用天数无关的常数，以及它告诉我们关于消费者剩余的什么？

What Is Consumer′s Surplus Per Day of Use, When Is It a Constant Independent of the Number of Days of Use, and What Does It Tell Us about Consumers Surplus?

• Edward R. Morey 通讯