Answer: strengthening the country's currency.

## Explanation When a central bank increases its policy rate (such as the federal funds rate in the US), several economic mechanisms come into play that help reduce inflation: ### 1. **Currency Appreciation Effect** - Higher interest rates make domestic assets more attractive to foreign investors - This increases demand for the domestic currency, causing it to appreciate - A stronger currency makes imports cheaper and exports more expensive - Cheaper imports directly reduce import prices, which lowers overall inflation - More expensive exports reduce demand for domestic goods, slowing economic activity ### 2. **Why Other Options Are Incorrect** **Option A (increasing consumption growth):** - Higher interest rates typically REDUCE consumption growth, not increase it - Higher borrowing costs discourage consumer spending on credit - Higher savings rates encourage saving rather than spending - Reduced consumption growth helps lower inflation, but this is not the mechanism described **Option B (improving investors' confidence):** - While higher rates might signal central bank commitment to fighting inflation - This effect is indirect and not the primary transmission mechanism - Investor confidence could actually decrease if higher rates slow economic growth too much ### 3. **Additional Transmission Mechanisms** While currency appreciation is a key mechanism, higher policy rates also: 1. **Increase borrowing costs** for businesses and consumers 2. **Reduce investment spending** due to higher capital costs 3. **Slow economic growth** overall 4. **Reduce aggregate demand** in the economy ### 4. **Real-World Context** This mechanism is particularly important in open economies where: - Trade represents a significant portion of GDP - The exchange rate channel is a powerful transmission mechanism - Central banks consider currency effects when setting monetary policy Therefore, option C correctly identifies the currency appreciation channel as a key mechanism through which higher policy rates exert downward pressure on domestic inflation.

Author: LeetQuiz .