Exchange Rates and International Trade - PowerPoint PPT Presentation

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Exchange Rates and International Trade. Market for U.S. dollars Comparative advantage Free trade U.S. balance of payments. Import & Export Sales and Exchange Rates. The international competitiveness of products can be affected by exchange rates .

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Exchange Rates and International Trade

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Exchange Rates and International Trade

  • Market for U.S. dollars

  • Comparative advantage

  • Free trade

  • U.S. balance of payments

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Import & Export Sales and Exchange Rates

  • The international competitiveness of products can be affected by exchange rates.

  • Cummins Engine, a US exporter, faces a problem when the dollar strengthens in value.

    • Their engines become more expensive to foreign purchasers, if they keep the dollar price of engines constant.

1999 South-Western College Publishing

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Foreign Exchange Terminology

Language used depends on exchange rate regime: floating or fixed

Appreciates or Depreciates-- Under Flexible FX Rate Regimes

Revalues or Devalues-- Under Fixed FX Rates

Spot Pricefor FX -- current price (2 day delivery)

Forward FX Price -- currency price for future delivery

1999 South-Western College Publishing

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Exchange Rates (1998)DM Spot and Forward Rates

Country US $ equivalentPer US $

Thurs. Wed. Thurs.Wed.Germany (DM) .5562.55761.79811.7985

30 day forward.5571.55851.79511.7905

90 day forward.5589.56041.78921.7845

180 day forward .5616.56311.78051.7760

1999 South-Western College Publishing

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Supply & Demand Model of Exchange Rates


  • FX is used for trade and investment. Use a supply & demand

    model to explore FX rates

  • Demand for Marks: Demand is associated with US demand for imports from Germany and purchase of German securities




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  • We expect that as the price of German products to U.S. customers goes down, there will be greater demand for DM.

  • As the dollar has more purchasing power in Germany (at point B), Americans will want more Marks.





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Supply of DM & Market Clearing in FX


  • Supply of DM -- Supply is associated with German demand for US exports and US investments.

  • Market Clears-- no excess demand or excess supply of DM

  • In Flexible Markets, buying & selling through international banks




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SUPPOSE: There is a rise in the Inflation Ratein the US



  • Both Supply & Demand of DMShift

  • German products appear cheaper

  • US exports appear more expensive

  • The Mark appreciates, and the dollar depreciates






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Exchange Rates: One Year Changes in ‘97

52 Wk High52 WK LowClose%Change 52 Wks

British Pound in US$

$1.71 $1.50 $1.657 +7.96%

Canadian Dollar in US$

$0.75$0.71$0.703 -4.5%

Swiss Franc Per US$

1.491.191.44 -15.30%

or$0.67$0.84$.69 (it was at $.81)

Japanese Yen Per US$

131.33104.59130.2 -18.09%

or$.0079$.0096$.0077 (it was at $.0094)

German Mark Per US$

1.731.471.78 -15.15%

or$0.58$.0.68$0.56 (it was at $0.66)

1999 South-Western College Publishing

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Cross Rates: Dow Jones TelerateInterbank for $1 million or more (1998)

US DollarPoundYenD-Mark











Upper triangle(above dashed lines) are in home country as in 130 yen for a dollar, ¥/$. Lower BOLD triangle areinforeign currency as in less than a penny a yen, $/¥

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Market makers earn their profit on the spread

Bid - AskSpreads


price willing to sell

Bid price

price willing to buy



1999 South-Western College Publishing

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Key Currencies & Cross Rates




  • Markets develop in each pair of currencies

  • If there are N=4 countries, there are as many as N•(N-1)/2= 6 different possible FX rates

  • With the US as a Key currency, can reduce the number to only 3

  • For hundreds of countries, chief or key currencies is natural

1999 South-Western College Publishing

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Exchange Rates, Cash Flows, & Risk

  • Economic Exposure (or Risk) involves the impact of exchange rates on a firm’scash flows

  • Economic decisionsshouldincorporate expectations about future exchange rates.

  • Firms may self insure by accepting these risks

    • or they may buy foreign exchange insurance via entering into contracts such as forward contracts.

1999 South-Western College Publishing

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Types of Hedges

  • Internal hedges – multinational firms buy and sell within the firm in any currency that they select.

  • Hedges using forward contracts – firms can offset exposure in foreign currency by buying or selling that amount of currency in a forward contract.

  • Hedges using future contracts – firm may offset risk with a futures contract in that currency.

  • Hedges using currency swaps – firms may agree to exchange (swap) streams of payments in different currencies, with adjustments at each settlement date.

1999 South-Western College Publishing

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Asset - LiabilityManagement for Exchange Risk

  • One simple approach to reduce exchange rate exposure is to structure parent and subsidiaries such that exchange rate changes affect assets and liabilities in tandem.

  • Method:Suppose that percent of the business exported to country X, the firm could borrow the  percentage in the currency of country X.

  • Hence, financing is a convenient way to arrange forms of hedging “revenue” assets.

1999 South-Western College Publishing

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Exchange Risk & Stockholders

  • Eliminating all exchange risk may not be in the interest of shareholders.

  • If shareholders are well diversified, they may not be particularly sensitive to unsystematic variations due to changes in exchange rates and "exchange risk", especially if reducing that risk sacrifices profits.

1999 South-Western College Publishing

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Long-Run Exchange Rate Determinants

1.Countries tend to have declining value of their currency when they run trade deficits, and tend to have rising currency values if they run trade surpluses.

2.Long-run trends in exchange rates are affected by differences in inflation-adjustedinterest rates. High relative interest rates attract investors, tending to raise the value of the currency.

3.Countries with highinflationtend to depreciate; countries with low relative inflation appreciate.

1999 South-Western College Publishing

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Purchasing Power Parity (PPP)

  • Purchasing power parity says that the price of traded goods tends to be equal around the world. The law of one price.

    • if exchange rates are flexible and there are no significant costs or barriers to trade.

      S11 + (h )

      S0 ( 1 + f )

      S1/ S0 shows the expected change in the direct quote of a currency. The right side of the equation is the ratio of home and foreign inflation rates. If the foreign inflation rises (f), then the domestic expected future spot rates S1declines.


1999 South-Western College Publishing

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Problems (or qualifications) with relative PPP:

  • PPP is sensitive to the starting point, S0. The base time period may not in equilibrium

  • Differences in the traded goods, or cross-cultural differences, may make prevent the law of one price to equilibrate price differences.

  • The inflation rate may include non-traded goods.

  • PPP tends to work better in the long run than in short run changes in inflationary expectations.

1999 South-Western College Publishing

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International Trade and Trading Blocs

  • Countries restrict trade through tariffs, quotas, and currency restrictions.

  • Several regions have reduced trade restrictions

    • MERCOSUR (in South America)

    • NAFTA (in North America)

    • EU (the European Union, or often the European Community)

    • looser arrangements in Southeast Asia (ASEAN)

    • APEC throughout the Pacific area including the US, Mexico, and Canada.

1999 South-Western College Publishing

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Comparative Advantage

  • Countries or firms should produce more of those goods for which they have lower opportunity cost.

  • Relative Cost in USRelative Cost in Japan

  • Automotive carburetors .4 Chips1.25 Chips

  • Computer Chips2.5 Carburetors .8 Carburetors

  • It costs $120 in the US to make a carburetor and $300 to make chips, the “cost” of a carburetor is the .4 chips foregone (take the ratio $120/$300 to find .4 chips).

  • The US relative cost of carburetors is much lower than that of the Japanese (1.25 Chips), whereas the Japanese relative cost of chips (.8 Carburetors) is much lower than that of the US. Japan should make chips and US should make carburetors.

1999 South-Western College Publishing

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Trade Deficits and the Balance of Payments

  • Current account = goods and service trade flows, receipts and payments US assets abroad and foreign assets in the US, and unilateral governmental and private transfers

  • Capital account = capital inflows and outflows of foreign assets.

  • The current account (deficit or surplus) comes from a capital account (surplus or deficit) to balance payments. This is the idea behind the accounting identity of the balance of payments.

1999 South-Western College Publishing

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