The Difference Between Fixed & Floating Exchange Rates

by Sara Huter; Updated September 26, 2017
Quotes, market, currency exchange, data, chart, business

The primary difference between a fixed and floating exchange rate is the underlying factor that affects a currency’s value. A fixed exchange rate is one where a currency is held to the value of a commodity or another currency. A floating exchange rate is one where a currency’s value is allowed to float based on the supply and demand of the products and services transacted.

Historical Basis of Exchange Rates

Prior to 1971, most currencies were fixed. The U.S. dollar was held to the gold standard. The intent was to affix the dollar’s value to something that had actual value, such as gold. Fixed exchange rates provided a monetary anchor and reduced the risk of international transactions. This prevented the value of one of the currencies from fluctuating between the time the transaction was agreed upon and the time the transaction was fulfilled. Today, most currencies are based on the floating exchange rate.

Fixed Exchange Rate: Strengths and Weaknesses

A fixed exchange rate can be beneficial for some countries. It lessens the rate of inflation and reduces the risk in international transactions. In addition, developing countries with fragile currency valuation are not subject to volatile exchange rates that could ruin a delicate economy. However, economic activity depends on the exchange rate. This means that economic activity is held to its currency’s value, and there is therefore less incentive for innovation in a fixed exchange rate society to add value by offering products and services to grow the economy.

Floating Exchange Rate: Strengths and Weaknesses

It is a general consensus among economists in developed nations that major currencies, including the dollar, euro, and yen, should be based on a floating exchange rate. According to the U.S. Department of the Treasury, these three currencies account for 42 percent of global economic activities. Because they represent almost half of all global activity, they are not subject to the volatility of currencies from smaller economies. Therefore, larger economies withstand the variability of the risk of international transactions. These economies grow at a rate determined by supply and demand of goods and services. Therefore, this growth trickles down and results in economic growth for smaller countries.

When to Adopt Floating Exchange Rate

Adopting a flexible exchange rate requires a robust economy with checks and balances that prevent fiscal corruption. Sound fiscal and monetary policies should be present, governed by a central bank that monitors inflation and unemployment. Steps can be taken to regulate these factors of production so that when there is downward pressure on the currency, external forces -- such as interest rates, buying and selling of government securities, and bank regulations -- can absorb some of the effects of a devalued currency in the short term.

About the Author

Sara Huter is a professor of economics. Her background also includes risk management in the banking and energy industries with expertise in credit scores. Huter received an M.B.A. in finance from Texas A&M University and a B.S. in information systems from Kansas State University. She has been writing for over five years with work at, and

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