题目

看曼昆的经济学原理,他讲的一个边际的例子没看懂.
As another example,consider an airline deciding how much to charge passengers who fly standby.Suppose that flying a 200-seat plane across the country costs the airline $100,000.In this case,the average cost of each seat is $100,000/200,which is $500.One might be tempted to conclude that the airline should never sell a ticket for less than $500.In fact,however,the airline can raise its profits by opportunity cost whatever must be given up to obtain some item marginal changes small incremental adjustments to a plan of action thinking at the margin.Imagine that a plane is about to take off with ten empty seats,and a standby passenger is waiting at the gate willing to pay $300 for a seat.Should the airline sell it to him?Of course it should.If the plane has empty seats,the cost of adding one more passenger is minuscule.Although the average cost of flying a passenger is $500,the marginal cost is merely the cost of the bag of peanuts and can of soda that the extr

提问时间：2021-03-31

答案

航空公司飞行一趟的成本主要是燃油费、机场服务费、飞机折旧等,这些费用构成了一趟航班的主要成本,可能占90%,而对乘客的服务产生的费用其实是很少的.而增加一个乘客对燃油费、机场服务费等主要费用是没有影响的,也就...