# Q of economics priciples

A person rents a house for which she pays the landlord 18,000 euros per yaer. The house can be purchased for 150,000 euros, and the tenant has this much money in a bank account that pays 5% interest per year.

Is buying the hiuse a good deal for tenant?

Where does opportunity cost enter the picture?

Thanks for your answer

### 2 Answers

- 老古Lv 71 decade agoFavorite Answer
A person rents a house for which she pays the landlord 18,000 euros per yaer. The house can be purchased for 150,000 euros, and the tenant has this much money in a bank account that pays 5% interest per year.

Is buying the hiuse a good deal for tenant?

Where does opportunity cost enter the picture?

1. 如果花 150,000 euros買房子可以省每年18,000 euros的租金其表面上的報酬率約 12%.

2. Is buying the house a good deal for tenant? 在極度簡化的情形下, 12% 比 5% 高, 值得買。

其實, 要知道完整的資訊才能精確答覆：如期間、房價變化等、稅金、折舊、對該房客而言, 報酬率最低要多少才算合算... 等等 有了上述之資料才能精確答覆.

3. Where does opportunity cost enter the picture?

a. 如果他買了房子, 原來5% 的利率就沒了, 是機會成本的一種. 如果他買了房子 150,000 euros的流動性就喪失了之後如果有好的投資也可能無法參與, 這是另一種形態的機會成本。

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- 1 decade ago
一個人租了所房子，她向房東一點八萬歐元每yaer 。這房子就可以買到十五點〇 〇萬歐元，和租客有這樣多錢在銀行帳戶，支付利息5 ％每年。

收購hiuse一個良好的交易租客？

哪裡進入的機會成本的圖片嗎？

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