Foreign Exchange Market Intervention by Central Bank
1. Central bank buys and sells foreign currency to defend the fixed exchange rate
2. Central bank must hold anchor currency in its reserves
3. Anchor currency only created by central bank of anchor currency country
4. Risk of liquidity problem if domestic currency under devaluation pressure
5. Central bank must sell anchor currency and buy domestic currency
6. Reduces domestic money supply and anchor currency reserves
7. Possible to run out of reserves and have to switch to flexible exchange rate