机会成本是什么?

Example
Q: Suppose you have a free ticket to a concert by Band A. The ticket has no resale value. On the night of the concert your next-best alternative entertainment is a performance by Band B for which the tickets cost $40. You like Band B and would usually be willing to pay $50 for a ticket to see them. What is the opportunity cost of using your free ticket and seeing Band A?
A: The benefit you forgo (that is, the value to you) is the benefit of seeing Band B. As well as the gross benefit of $50 for seeing Band B, you also forgo the actual $40 of cost, so the net benefit you forgo is $10. So, the opportunity cost of seeing Band A is $10.[6]

Example
Q: Suppose you have a free ticket to a concert by Band A. The ticket has no resale value. On the night of the concert your next-best alternative entertainment is a performance by Band B for which the tickets cost $40. You like Band B and would usually be willing to pay $50 for a ticket to see them. What is the opportunity cost of using your free ticket and seeing Band A?
A: The benefit you forgo (that is, the value to you) is the benefit of seeing Band B. As well as the gross benefit of $50 for seeing Band B, you also forgo the actual $40 of cost, so the net benefit you forgo is $10. So, the opportunity cost of seeing Band A is $10.[6]

机会成本首先要明白几个不。第一，机会成本不是一种支出。第二，机会成本不是一种费用。第三，这种收益不是实际发生的。同时要明白几个是。第一，机会成本是一种失去的收益。第二，这种收益是潜在的