An increase in real interest rates generally leads to:

Question

BlackTom AI · Accepted Answer

Higher real interest rates raise the return on domestic assets, so foreign investors demand more of the domestic currency to buy those assets, causing an appreciation.

1) Relevant knowledge points and concepts
- Real interest rate: nominal rate minus expected inflation; it measures real return to lenders/investors.  
- Capital flows: investors chase higher real returns across countries.  
- Exchange rate determination (uncovered interest parity, UIP): expected currency appreciation ≈ domestic interest rate − foreign interest rate. Increased demand for currency leads to spot appreciation.  
- Trade-price effect: an appreciated currency makes exports relatively more expensive and imports cheaper.

2) Step-by-step reasoning
- Step 1: A rise in domestic real interest rates raises expected real returns on domestic bonds/equities relative to foreign assets.  
- Step 2: International investors shift funds into domestic assets, increasing capital inflows. To buy domestic assets they must purchase the domestic currency, increasing demand for it in foreign exchange markets.  
- Step 3: Increased demand for the domestic currency pushes its value up (appreciation) until returns (adjusted for expected exchange rate changes) are equalized across countries per UIP.

3) Calculations / intermediate steps (UIP illustration)
- UIP in simple form: expected percentage change in exchange rate ≈ i_dom − i_for.  
- If i_dom rises by Δi > 0 (holding i_for constant), expected change becomes more positive, implying expected appreciation of domestic currency. Hence spot appreciation follows as investors act now.

4) Why the correct answer is correct
- Because higher real rates attract foreign capital, increasing demand for domestic currency and causing appreciation. This is the direct and standard outcome in open-economy macroeconomics.

5) Why other options are incorrect
- b. higher exports: incorrect — appreciation makes exports more expensive abroad, reducing exports.  
- c. a reduction in capital inflows: incorrect — capital inflows increase, not decrease.  
- d. a depreciation of the domestic currency: incorrect — this is the opposite of the expected effect.

6) Conclusion
The correct answer is a. an appreciation of the domestic currency, which matches the provided answer.

An increase in real interest rates generally leads to:Single choice

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