What is opportunity cost
Unlike most costs discussed in economics, an opportunity cost doesn’t necessarily involve money. The opportunity cost of any action is simply the next best alternative to that action: What you would have done if you didn’t make the choice that you made? 与经济学中讨论的大多数成本不同,机会成本并不一定涉及金钱。任何行动的机会成本都只是该行动的次优方案:如果你没有做出这个选择,你会怎么做? The notion of opportunity cost is critical to the idea that the…