23.1
Direct versus Indirect Quotes
The exchange rate in Examples 23.1 and 23.2 is expressed as dollars per pound. This is an
example of a direct exchange rate quote. The euro-dollar exchange rate is also typically
expressed as a direct quote. In contrast, exchange rates for other currencies such as the
Japanese yen or Swiss franc are typically expressed as indirect quotes, that is, as units of
foreign currency per dollar, for example, 92 yen per dollar. For currencies expressed as
indirect quotes, depreciation of the dollar would result in a decrease in the quoted exchange
rate ($1 buys fewer yen); in contrast, dollar depreciation versus the pound would show up
as a higher exchange rate (more dollars are required to buy £1). When the exchange rate is
quoted as foreign currency per dollar, the domestic and foreign exchange rates in Equation
23.2 must be switched: in this case the equation becomes
F
0
(foreign currency/$)
5
1
1 r
foreign
1
1 r
US
3 E
0
(foreign currency/$)
If the interest rate in the U.S. is higher than in Japan, the dollar will sell in the forward
market at a lower price (will buy fewer yen) than in the spot market.
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