Definitions of floating exchange rate, appreciation and depreciation
International Trade & Globalisation – Foreign Exchange Rates
Floating Exchange Rate
A floating exchange rate is like a market‑price pizza that changes every minute based on how many people want it and how many are offering it. The value of a currency against another is determined by supply and demand in the foreign‑exchange market, so it can go up or down without a central bank fixing it. 🍕💱
Appreciation & Depreciation
When a currency appreciates, it becomes stronger relative to another. Imagine you can buy a pizza for fewer dollars – the dollar is now worth more. Mathematically, if the exchange rate changes from $1.20$ to $1.10$ USD/EUR, the dollar has appreciated against the euro. 📈
When a currency depreciates, it becomes weaker. Now you need more dollars to buy the same pizza. If the rate moves from $1.20$ to $1.30$ USD/EUR, the dollar has depreciated against the euro. 📉
- Appreciation: “The dollar is stronger, you get more euros per dollar.”
- Depreciation: “The dollar is weaker, you get fewer euros per dollar.”
Quick Reference Table
| Date | USD/EUR Rate | Change |
|---|---|---|
| 01‑Jan‑2024 | 1.20 | — |
| 15‑Jan‑2024 | 1.10 | Appreciated by 0.10 |
| 30‑Jan‑2024 | 1.30 | Depreciated by 0.20 |
Remember: Appreciation = you get more of the other currency for one unit of yours. Depreciation = you get less. Think of it like swapping stickers – the more valuable your sticker, the fewer you need to trade for the same number of your friends’ stickers. 🏆➡️🏆
Revision
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