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Chapter 20

Chapter 20. The Foreign Exchange Market. Foreign Exchange I. Exchange rate: price of one currency in terms of another Foreign exchange market: the financial market where exchange rates are determined Spot transaction: immediate (two-day) exchange of bank deposits Spot exchange rate

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Chapter 20

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  1. Chapter 20 The Foreign Exchange Market

  2. Foreign Exchange I Exchange rate: price of one currency in terms of another Foreign exchange market: the financial market where exchange rates are determined Spot transaction: immediate (two-day) exchange of bank deposits Spot exchange rate Forward transaction: the exchange of bank deposits at some specified future date Forward exchange rate

  3. Foreign Exchange II Appreciation: a currency rises in value relative to another currency Depreciation: a currency falls in value relative to another currency When a country’s currency appreciates, the country’s goods abroad become more expensive and foreign goods in that country become less expensive and vice versa Over-the-counter market mainly banks

  4. FIGURE 1 Exchange Rates, 1990–2008 Source: Federal Reserve: www.federalreserve.gov/releases/h10/hist.

  5. Exchange Rates in the Long Run Law of one price Theory of Purchasing Power Parity assumptions: All goods are identical in both countries Trade barriers and transportation costs are low Many goods and services are not traded across borders

  6. Factors that Affect Exchange Rates in the Long Run Relative price levels Trade barriers Preferences for domestic versus foreign goods Productivity

  7. FIGURE 2 Purchasing Power Parity, United States/United Kingdom, 1973–2008 (Index: March 1973 = 100.) Source: ftp.bls.gov/pub/special/requests/cpi/cpiai.txt.

  8. Summary Table 1 Factors That Affect Exchange Rates in the Long Run

  9. Exchange Rates in the Short Run: A Supply and Demand Analysis An exchange rate is the price of domestic assets in terms of foreign assets Supply curve for domestic assets Assume amount of domestic assets is fixed (supply curve is vertical) Demand curve for domestic assets Most important determinant is the relative expected return of domestic assets At lower current values of the dollar (everything else equal), the quantity demanded of dollar assets is higher

  10. FIGURE 3 Equilibrium in the Foreign Exchange Market

  11. Explaining Changes in Exchange Rates Shifts in the demand for domestic assets Domestic interest rate Foreign interest rate Expected future exchange rate

  12. FIGURE 4 Response to an Increase in the Domestic Interest Rate, iD

  13. FIGURE 5 Response to an Increase in the Foreign Interest Rate, iF

  14. FIGURE 6 Response to an Increase in the Expected Future ExchangeRate, Eet+1

  15. Summary Table 2 Factors That Shift the Demand Curve for Domestic Assets and Affect the Exchange Rate

  16. FIGURE 7 Effect of a Rise in the Domestic Interest Rate as a Result of an Increase in Expected Inflation

  17. Application: Changes in the Equilibrium Exchange Rate Changes in Interest Rates When domestic real interest rates raise, the domestic currency appreciates. When domestic interest rates rise due to an expected increase in inflation, the domestic currency depreciates. Changes in the Money Supply A higher domestic money supply causes the domestic currency to depreciate.

  18. Application: Changes in the Equilibrium Exchange Rate Exchange Rate Overshooting Monetary Neutrality In the long run, a one-time percentage rise in the money supply is matched by the same one-time percentage rise in the price level The exchange rate falls by more in the short run than in the long run Helps to explain why exchange rates exhibit so much volatility

  19. FIGURE 8 Effect of a Rise in the Money Supply

  20. Application: The Dollar and Interest Rates While there is a strong correspondence between real interest rates and the exchange rate, the relationship between nominal interest rates and exchange rate movements is not nearly as pronounced

  21. FIGURE 9 Value of the Dollar and Interest Rates, 1973–2008 Sources: Federal Reserve: www.federalreserve.gov/releases/h10/summary/indexn_m.txt; real interest rate from Figure 1 in Chapter 4.

  22. Application: The Subprime Crisis and the Dollar During 2007 interest rates fell in the United States and remained unchanged in Europe. The dollar depreciated Starting in the summer of 2008 interest rated fell in Europe. Increased demand for U.S. Treasuries “flight to quality” The dollar appreciated

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