問題：Suppose that short-term interest rates fall in Japan.Is this likely to be good news or
bad news for the tourism industry in Hawaii?
答案：Good news, unless short-term real interest rates decline in the United
States as well. If short-term real interest rates in Japan fall relative
to short-term real interest rates in the United States,
the value of the yen should decline relative to the dollar. This will lower
the yen price of vacations in Hawaii.
我知道日本短期利率下降會讓日圓貶值，但日圓貶值不是會讓日圓在美國的購買力下降嗎？
為什麼對夏威夷的旅遊業是好消息？
想了很久還是搞不懂><拜託大家了