The domestic interest rate is 7% and the foreign interest rate is 9%. If the forward exchange rate is 5 domestic units per foreign unit, what spot exchange rate is consistent with interest rate parity (IRP)?
Using the following IRP equation: ForwardDC/FC=SpotDC/FC × [(1 + rdomestic) / (1 + rforeign )]
Solving for the spot rate: SpotDC/FC = ForwardDC/FC × [(1 + rforeign) / (1 + rdomestic)]
= [(1 + 0.09) / (1 + 0.07)](5)
= (1.09 / 1.07)(5)
= 5.09
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