Question 21.5: Parity Check Suppose the exchange rate for Japanese yen, S0,...

Parity Check

Suppose the exchange rate for Japanese yen,    S_{0} , is currently ¥120=$1.If the interest rate in the United States is R_{US} =10\%  and the interest rate in Japan is R_{J} =5\% ,then what must the forward rate be to prevent covered interest arbitrage?

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From IRP, we have:

F_{1} =S_{0} \times [1+(R_{J}-R_{US}  )]=¥120\times [1+(.05-.10)]=¥120\times .95=¥114 

Notice that the yen will sell at a premium relative to the dollar (why?).

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