This lesson explores the structure and operations of foreign exchange markets and their role in international finance. Curricula consistently include foreign exchange markets as a core component of financial system studies . The foreign exchange market is where currencies are traded, facilitating international trade, investment, and cross-border capital flows .

3.1 The Structure of Foreign Exchange Markets
Foreign exchange markets are decentralised and over-the-counter, operating 24 hours a day across global financial centres . Key participants include banks (market makers), corporations, central banks, and institutional investors . The FX market is the largest and most liquid financial market globally . The majority of FX transactions are interbank, reflecting the market’s wholesale nature . Understanding FX markets is essential for comprehending international financial integration and cross-border capital flows .

3.2 Exchange Rate Determination and Risk
The determinants of exchange rates are complex, encompassing interest rate differentials, inflation differentials, and macroeconomic conditions . The theory of purchasing power parity (PPP) links exchange rates to inflation differentials, while interest rate parity links them to interest rate differentials . Understanding these theories is essential for assessing the dynamics of FX markets and the impact on financial institutions . Foreign exchange risk—the risk of losses from adverse exchange rate movements—is a primary concern for banks and multinational corporations .

3.3 International Financial Integration
International financial integration refers to the increasing interconnectedness of financial markets across borders . The process of integration affects the transmission of monetary policy, financial stability, and the operations of financial institutions . It is a defining feature of the modern financial landscape . Students examine the process of financial integration and its implications for financial institutions and regulators . The banking and capital markets structures in North America, Europe, and Asia are compared and contrasted .