Final answer:
A floating exchange offer is most commonly used in the field of business. It allows the foreign exchange market to set exchange rates and is used by about 40% of the countries in the world economy. The major concern with this policy is the potential volatility of exchange rates.
Step-by-step explanation:
A floating exchange offer is most commonly used in the field of business. A floating exchange rate refers to a policy that allows the foreign exchange market to set exchange rates. It is used by about 40% of the countries in the world economy, including the U.S. dollar. The major concern with this policy is that exchange rates can move a great deal in a short time.