If a U.S. firm believes that the international Fisher effect holds, what are the implications regarding a

Question:

If a U.S. firm believes that the international holds, what are the implications regarding a strategy of continually attempting to generate high returns from investing in currencies with high interest rates?

Fisher Effect
The Fisher Effect is an economic theory created by economist Irving Fisher that describes the relationship between inflation and both real and nominal interest rates. The Fisher Effect states that the real interest rate equals the nominal interest...