Exam 20: The Foreign Exchange Market
Explain the difference between the spot rate, the forward rate, the real exchange rate, and the effective exchange rate. Then discuss a situation in which you would use each of these different exchange rates.
The spot rate is the current exchange rate at which a currency can be bought or sold for immediate delivery. It reflects the current market conditions and is used for immediate transactions.
The forward rate, on the other hand, is the exchange rate at which a currency can be bought or sold for delivery at a future date. It is determined by the spot rate and the interest rate differentials between the two currencies. Forward rates are used for hedging against future exchange rate fluctuations.
The real exchange rate is the nominal exchange rate adjusted for the relative price levels between two countries. It measures the purchasing power of one currency relative to another and is used to compare the cost of goods and services between countries.
The effective exchange rate is a weighted average of a country's currency relative to a basket of other currencies. It is used to measure the overall strength or weakness of a country's currency in the international market.
In a situation where a company needs to make a large purchase of foreign currency for immediate delivery, they would use the spot rate to determine the exchange rate. If the company wants to hedge against future exchange rate fluctuations, they would use the forward rate to lock in a future exchange rate. When comparing the cost of goods and services between countries, the real exchange rate would be used. And when analyzing the overall strength of a country's currency, the effective exchange rate would be used.
Indicate the meaning of the terms "covered interest parity" (CIP) and "uncovered interest parity" (UIP). Then, focusing on "covered interest parity," explain by numerical example and with at least one graph how such parity is conceptually attained in the context of a home country
and a foreign country if the short-term interest rate in the foreign country is greater than the short-term interest rate in the home country at the same time that the spot rate on the foreign currency equals the forward rate on the foreign currency. (Assume that the two interest rates are on comparable assets of the same risk.)
Covered interest parity (CIP) and uncovered interest parity (UIP) are concepts in international finance that relate to the relationship between interest rates and exchange rates.
CIP refers to the condition where the interest rate differential between two countries is equal to the forward premium or discount on the foreign currency. In other words, it implies that investors can lock in a certain rate of return on their investment in a foreign currency through a combination of the spot exchange rate, the foreign interest rate, and the forward exchange rate.
UIP, on the other hand, suggests that the expected change in the exchange rate between two countries is equal to the difference in their interest rates. This means that investors should be indifferent between investing in domestic or foreign assets, as the expected return from investing in a foreign currency should be equal to the return from investing in the domestic currency.
Now, let's focus on covered interest parity and how it is conceptually attained in the context of a home country and a foreign country when the short-term interest rate in the foreign country is greater than the short-term interest rate in the home country, while the spot rate on the foreign currency equals the forward rate on the foreign currency.
Assuming that the two interest rates are on comparable assets of the same risk, let's consider a numerical example to illustrate covered interest parity.
Suppose the short-term interest rate in the home country is 3%, and the short-term interest rate in the foreign country is 5%. Additionally, let's assume that the spot rate on the foreign currency is 1.2 units of foreign currency per unit of domestic currency, and the forward rate on the foreign currency is also 1.2 units of foreign currency per unit of domestic currency.
To attain covered interest parity, investors would need to compare the returns from investing in the domestic currency and the foreign currency. If the foreign interest rate is higher, investors would expect a higher return from investing in the foreign currency. However, the forward exchange rate should reflect this interest rate differential to ensure that there is no arbitrage opportunity.
In this example, if an investor in the home country invests in the domestic currency at a 3% interest rate, they would expect to receive a return of 103 units of domestic currency after one year for every 100 units invested. On the other hand, if they invest in the foreign currency at a 5% interest rate, they would expect to receive a return of 105 units of foreign currency after one year for every 100 units invested.
Now, if the spot rate and the forward rate on the foreign currency are both 1.2 units of foreign currency per unit of domestic currency, it means that the forward exchange rate is not offering any premium or discount on the foreign currency. This ensures that the return from investing in the foreign currency is effectively equal to the return from investing in the domestic currency, accounting for the interest rate differential.
In summary, covered interest parity is conceptually attained when the interest rate differential between two countries is equal to the forward premium or discount on the foreign currency, ensuring that there are no arbitrage opportunities for investors. This equilibrium is maintained through the relationship between interest rates and exchange rates, as illustrated in the numerical example and graph.
(a) Why does a "demand for foreign exchange" exist by a country's economic actors? Explain. Why does this demand curve have its downward slope? Briefly explain.
(b) What economic actions give rise to a "supply of foreign exchange" to a country? Explain. Can we be sure that this supply curve will always have an upward slope? Briefly explain.
(c) Finally, put a demand curve and supply curve of foreign exchange together and indicate the equilibrium exchange rate. Then explain how and why the equilibrium exchange rate would change if there were a sudden increase in the supply of foreign exchange to the country.
(a) The demand for foreign exchange exists because a country's economic actors, such as businesses, individuals, and the government, need foreign currency to conduct international trade, investment, and travel. This demand curve has a downward slope because as the exchange rate of the domestic currency relative to the foreign currency decreases, the quantity demanded of foreign exchange increases. This is because a lower exchange rate makes foreign goods and services cheaper for domestic consumers and businesses, leading to an increase in demand for foreign currency.
(b) The supply of foreign exchange to a country arises from economic actions such as exporting goods and services, receiving foreign investment, and earning income from foreign assets. When domestic producers sell their goods and services to foreign buyers, they are paid in foreign currency, which adds to the supply of foreign exchange. Similarly, when foreign investors bring capital into the country or when domestic entities earn income from foreign investments, it adds to the supply of foreign exchange. We cannot be sure that the supply curve will always have an upward slope because factors such as changes in government policies, international trade agreements, and global economic conditions can affect the supply of foreign exchange.
(c) When we put the demand curve and supply curve of foreign exchange together, the equilibrium exchange rate is determined at the point where the quantity of foreign exchange demanded equals the quantity supplied. If there were a sudden increase in the supply of foreign exchange to the country, the equilibrium exchange rate would decrease. This is because an increase in the supply of foreign exchange would lead to a surplus of foreign currency in the market, causing the value of the domestic currency to depreciate relative to the foreign currency. As a result, the equilibrium exchange rate would change to reflect the new balance between the demand for and supply of foreign exchange.
If ef = the forward rate on three-months Swiss francs, e = the current spot rate on Swiss francs, and E(e) = the expected future rate of the Swiss franc in three months, then the Swiss franc is said to be at a forward discount if __________ is negative.
In which of the following relationships between the expected future spot rate [E(e)] of a foreign currency and the current forward rate (efwd) of a foreign currency would a Speculator have an incentive to sell foreign currency in the forward market?
Suppose that, in a system of floating or market-determined exchange rates, the equilibrium exchange rate is 80 Japanese yen = $1. If there is then a change in preferences of U.S. consumers such that they now prefer more Japanese goods in their consumption bundle, then, other things equal, the equilibrium exchange rate __________, which is __________.
If, in time period #1, the equilibrium value of the pound is $1.60, but then U.K. prices double between time period #1 and time period #2 while U.S. prices rise by 60 percent, then the (relative) purchasing power parity theory would say that the equilibrium value of the pound in time period #2 is
An exporter who is to receive payment in foreign currency in three months and who wants to engage in "hedging" would __________ the foreign currency on the three-Months forward market in order to protect himself/herself from __________ of the Foreign currency.
Which one of the following sets of exchange rates shows "cross-rate equality" (or"consistent cross rates")?
Suppose that a speculator notes that the current three-months forward rate on the euro is $1.36 and the speculator expects that, in three months, the euro will have a value of $1.40. In this situation, the speculator would __________ euros on the forward market, and this activity __________ for the speculator.
Suppose that, in Year 1, the price of the U.K. pound is $1.44 = £1. In year 2, the price is $1.48 = £1. An economist would validly conclude that, from Year 1 to Year 2, the U.K. pound __________ relative to the U.S. dollar and, simultaneously, the U.S. dollar __________ relative to the U.K. pound.
Suppose that the United States trades only with Germany and Japan. Suppose also that in 2005 the spot rates were 0.70 euro = $1 peso and ¥110 = $1, and that in 2010 the spot rates were 0.84 euro = $1 and ¥99 = $1 peso. If United States trade is 50 percent With Germany and 50 percent with Japan, calculation of the effective exchange rate for The United States indicates that the dollar
If a PPP estimate of the dollar/pound exchange rate is $1.61/£ and the current spot rate is observed to be $1.68/£, on the basis of these two rates you should, viewing the long run,
A given exchange rate will be more or less the same in all of the world's financial Markets because of
If U.K. interest rates are higher than Japanese interest rates, then the theory of covered Interest arbitrage would suggest that, in the pound/yen exchange markets, the yen would Be at a forward __________ and the pound would __________.
Suppose that the three-months interest rate in New York is 4 percent and the three-Months interest rate in London is 3 percent, and that the spot rate is $2.00/£1 and the Three-months forward rate is $2.10/£1. In this situation, there is an incentive for short-Term interest arbitrage funds to flow
How do speculators and arbitragers affect the foreign exchange market? Briefly describe the different ways that arbitragers can "cover" themselves in the foreign exchange market. Finally, will speculation in foreign exchange always have a stabilizing effect on the foreign exchange market? Why or why not?
(a) Draw a demand curve for foreign exchange (spot foreign exchange) by a home country and briefly indicate why the curve has a downward slope. Then draw an upward-sloping supply curve of foreign exchange to that country. (You do not need to explain why it is upward-sloping.) Then indicate the equilibrium exchange rate in this spot market and briefly explain why the market moves to this equilibrium position.
(b) Define the "forward market" for foreign exchange, draw a demand curve and supply curve for the forward market, and indicate the equilibrium forward exchange rate.Assume that the equilibrium forward exchange rate is identical to the equilibrium spot exchange rate in part (a) of this question.
(c) Into this situation where the spot and exchange rates are equal, now suppose that, for whatever reason, short-term interest rates suddenly rise in the home country while they do not change in foreign countries. In the context of covered interest arbitrage, what forces are set in motion and what will happen to the spot and forward exchange rates because of this change in domestic interest rates? Carefully explain.
If a "Big Mac" costs $4.00 in the United States and 5 francs in Switzerland, then the implied "purchasing-power-parity" exchange rate using the "Big Mac" is __________. If the actual exchange rate in the market is 1 franc = $0.90, then an economist would say that the actual Swiss franc is __________ in comparison with its "purchasing-power-parity" rate.
You note that over the last five years, the Swiss franc has appreciated from Sfr 1.60/$1 to Sfr 1.45/$1. During that same period, the U.S. consumer price index rose from 100 to 120 and the Swiss consumer price index rose from 100 to 105. On the basis of these movements, would you expect the Swiss to be buying more or less U.S. goods? Why? Would you advise a foreign exchange speculator to buy Swiss francs at this point or to change Swiss francs into U.S. dollars? Why or why not?
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