You can observe that exchange rates of some countries that follow free float or dirty float regimes at times fluctuate a lot. What are factors affecting their exchange rates?
Added by Esther I.
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Positive economic data can lead to a stronger currency, while negative data can weaken a currency. Show more…
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What factors underlie a nation's decision to adopt floating exchange rates or fixed exchange rates?
Chandra J.
In the Mundell-Fleming model with floating exchange rates, we can examine the effects of raising taxes on aggregate income, the exchange rate, and the trade balance. If taxes are raised, it would lead to a decrease in aggregate income. This is because higher taxes reduce disposable income, which in turn reduces consumption and investment. As a result, aggregate demand decreases, leading to a decrease in aggregate income. In terms of the exchange rate, raising taxes would lead to an appreciation of the domestic currency. This is because higher taxes reduce disposable income, which reduces consumption of foreign goods and increases savings. As a result, the demand for foreign currency decreases, causing the domestic currency to appreciate. Lastly, raising taxes would also lead to an improvement in the trade balance. This is because higher taxes reduce consumption of foreign goods, leading to a decrease in imports. At the same time, the appreciation of the domestic currency makes exports more expensive, leading to a decrease in exports. However, the decrease in imports is usually larger than the decrease in exports, resulting in an overall improvement in the trade balance. If exchange rates were fixed rather than floating, the effects of raising taxes would be different. In a fixed exchange rate system, the central bank intervenes in the foreign exchange market to maintain a fixed exchange rate. As a result, the exchange rate would not appreciate in response to higher taxes. Instead, the adjustment would occur through changes in the money supply and interest rates. Under a fixed exchange rate system, raising taxes would lead to a decrease in aggregate income, similar to the floating exchange rate case. However, the adjustment mechanism would be different. Higher taxes would reduce disposable income, leading to a decrease in consumption and investment. To maintain the fixed exchange rate, the central bank would need to increase the money supply, which would lower interest rates and stimulate investment. This would partially offset the decrease in aggregate income. In terms of the trade balance, the effects of raising taxes would also be different under a fixed exchange rate system. The decrease in consumption of foreign goods would still lead to a decrease in imports. However, the appreciation of the domestic currency would not occur, as the exchange rate is fixed. This means that the decrease in exports would not be offset by a decrease in imports, resulting in a deterioration of the trade balance.
Nick J.
What are Flexible Exchange Rates (What determines flexible exchange rates?) and why are they important
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