Real Interest Rates and International Capital Flows · 实际利率与国际资本流动
| English | 中文 | Pinyin · 拼音 |
|---|---|---|
| real interest rates/rɪəl ˈɪntrest reɪts/ | 实际利率 | shí jì lì lǜ |
| capital inflow/ˈkæpɪtl ˈɪnfləʊ/ | 资本流入 | zī běn liú rù |
| capital flows/ˈkæpɪtl fləʊz/ | 资本流动 | zī běn liú dòng |
Money chases the best return
- Savers everywhere want the highest return they can get.
- So real interest rates 实际利率 drive money between countries.
- Raise your real rate above the world's, and foreign money flows in.
- This is the last link that ties the whole open economy together.
钱追逐最好的回报
- 各地的储蓄者都想要能拿到的最高回报。
- 所以实际利率(real interest rates)驱动资金在国家间流动。
- 把你的实际利率抬到世界之上,外国资金就流进来。
- 这是把整个开放经济联系起来的最后一环。
International capital flows are driven mainly by differences in: · 国际资本流动主要由以下哪项差异驱动：
Money moves toward the highest real return. · 资金流向最高实际回报处。
Foreign savers sending money into a high-rate country create a capital . · 外国储蓄者向高利率国家汇款形成资本。
A capital inflow is money entering to earn the higher rate. · 资本流入是指资金进入以获取更高利率。
A capital inflow appreciates the currency because foreigners: · 资本流入会导致本币升值，因为外国人：
Buying the currency to invest raises demand, so it appreciates. · 为投资而购买该货币会增加需求，从而使其升值。
Capital inflows raise the currency
- When a country's real interest rate rises above the rest of the world's, foreign savers send money in — a capital inflow 资本流入.
- To invest, those foreigners must first buy the country's currency.
- So the inflow raises demand for the currency, and it appreciates.
- High real rates therefore mean a strong currency.
资本流入抬高货币
- 当一国的实际利率升到世界其他地区之上,外国储蓄者把钱送进来——资本流入(capital inflow)。
- 为了投资,这些外国人必须先购买这个国家的货币。
- 所以流入抬高对货币的需求,货币升值。
- 因此高实际利率意味着强势货币。
A financial account surplus (capital inflow) is matched by a current account: · 金融账户盈余（资本流入）对应经常账户：
The appreciation makes exports dearer and imports cheaper, pushing the current account to deficit. · 升值使出口变贵、进口变便宜，推动经常账户出现赤字。
How the two accounts tie together
- These capital flows 资本流动 link the two balance-of-payments accounts.
- A financial account surplus (money flowing in to buy assets) matches a current account deficit.
- Why? The stronger currency the inflow creates makes exports dearer and imports cheaper.
- That pushes the trade balance the other way — into deficit — exactly offsetting the inflow.
两个账户如何联系起来
- 这些资本流动(capital flows)把两个国际收支账户连起来。
- 金融账户盈余(资金流入购买资产)匹配经常账户赤字。
- 为什么?流入创造的更强货币让出口更贵、进口更便宜。
- 这把贸易差额推向另一个方向——赤字——正好抵消流入。
A country raises its real interest rate from 2% to 5%. By how many percentage points did it rise? · 一国将实际利率从2%提高到5%。提高了多少个百分点？
5 − 2 = 3 percentage points, far above the world rate — drawing capital in. · 5 − 2 = 3 个百分点，远高于世界利率——吸引资本流入。
Order the chain from a higher real rate to a current-account deficit. · 从高实际利率到经常账户赤字的因果链排序。
Higher rate → inflow → appreciation → trade gap widens. · 高利率 → 流入 → 升值 → 贸易逆差扩大。
Worked example
- Worked idea. A country lifts its real interest rate from 2% to 5%, far above the world's.
- Foreign investors pour money in to buy its bonds — a capital inflow — buying its currency first, so it appreciates.
- The stronger currency then makes exports dearer, so the current account moves toward deficit.
- Higher real rates draw in capital but widen the trade gap — the two accounts offset.
例题
- 例题。 一个国家把实际利率从 2% 抬到 5%,远高于世界水平。
- 外国投资者涌入购买它的债券——资本流入——先买它的货币,所以它升值。
- 更强的货币随后让出口更贵,所以经常账户转向赤字。
- 更高的实际利率吸引资本却扩大贸易缺口——两个账户相互抵消。
Capital inflow or outflow? · 资本流入还是流出？
Money chases the best real return. Sort each case by which way capital flows. · 货币追逐最佳实际回报。按资本流向对每种情况进行分类。
Real interest rates drive capital flows. A rate above the world's brings a capital inflow: foreigners buy the currency, which appreciates. The stronger currency makes exports dearer and imports cheaper, moving the current account toward deficit — so a financial account surplus offsets a current account deficit ($2\% \to 5\%$ draws capital in but widens the trade gap).
实际利率驱动资本流动。高于世界的利率带来资本流入:外国人购买货币,货币升值。更强的货币让出口更贵、进口更便宜,把经常账户推向赤字——所以金融账户盈余抵消经常账户赤字($2\% \to 5\%$ 吸引资本却扩大贸易缺口)。