The students examine the costs and benefits of investing in international markets. They learn that some investors gain international exposure by buying shares of U.S. firms that generate revenue from overseas. They learn about currency exchange rates?how to make conversions from one currency to another, why currencies appreciate and depreciate in value, and how the exchange rate for a currency affects the amount of a foreign stock an investor can buy. They learn about the concepts of a strong and a weak dollar and learn who benefits and who is hurt when the dollar is strong or weak.