Hong Kong fixes its exchange rate with the US$ at HK$7.8/US$, but the financial market expects a 10% chance of a 30% devaluation of the HK$ in the coming month and a 90% chance of no devaluation. To maintain the fixed exchange rate at HK$7.8/US$, the interest rate differential between the HK$ and US$ (measured in annual %) needs to be %

International Financial Management
14th Edition
ISBN:9780357130698
Author:Madura
Publisher:Madura
Chapter4: Exchange Rate Determination
Section: Chapter Questions
Problem 25QA
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Hong Kong fixes its exchange rate with the
US$ at HK$7.8/US$, but the financial market
expects a 10% chance of a 30% devaluation
of the HK$ in the coming month and a 90%
chance of no devaluation. To maintain the
fixed exchange rate at HK$7.8/US$, the
interest rate differential between the HK$ and
US$ (measured in annual %) needs to be
%
Transcribed Image Text:Hong Kong fixes its exchange rate with the US$ at HK$7.8/US$, but the financial market expects a 10% chance of a 30% devaluation of the HK$ in the coming month and a 90% chance of no devaluation. To maintain the fixed exchange rate at HK$7.8/US$, the interest rate differential between the HK$ and US$ (measured in annual %) needs to be %
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