微观经济题目（沉没成本）原题：1)###Mikehasspent$500purchasingandrepairinganoldfishingboat,whichheexpectstosellfor$800oncetherepairsarecomplete.Mikediscoversthat,inadditiontothe$500hehasalreadyspent,h

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微观经济题目（沉没成本）
原题：1) ###Mike has spent $500 purchasing and repairing an old fishing boat, which he expects to sell for $800 once the repairs are complete. Mike discovers that, in addition to the $500 he has already spent, he needs to make an additional repair, which will cost another $400, in order to make the boat worth $800 to potential b uyers. He can sell the boat as it is now for $300. What should he do?
a. He should sell the boat as it is now for $300.
b. He should keep the boat since it would not be rational to spend $900 on repairs and then sell the boat for $800.
c. He should complete the repairs and sell the boat for $800.
d. It does not matter which action he takes; the outcome is the same either way.
翻译后：
Mike 花了500块购买和维修一艘船,他打算完工后该船售价为800块.但他发现,花了500块后,还得额外花400块进行另一轮维修才可以卖出800块的价钱.他现在就可以以300块的价格卖出去.他该怎么做呢?
a. 他该现在就以300块的价格卖出去
b. 他该自己留着,花900块买船加修船,卖出去才800块,不划算
c. 他该完成最后一轮维修,然后再以800块卖出去
d. 无论他怎么做,结果的一样.
答案是c. 老师说这跟sink cost (沉没成本)有关.500-300=200（loss） 800-400=400 ,所以选c.
不懂啊,不懂,求指教.

Answer 1

你可这样思考：
1.他现在就以300块的价格卖出去,可收回300块.
2.他完成最后一轮维修,然后再以800块卖出去,
可收回800-400=400.
所以选c.