Fisher Effect

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Fisher Effect Fisher effect is made of the nominal interest rate which is represented as r is made up of two components one being a real required rate of return a and second an inflation premium equal to the expected amount of inflation i. In mathematical term fisher effect is represented as: 1+ Nominal rate = (1+Real rate) (1+ Expected inflation rate). For example Sam wanted to invest $100 with 10% interest and expected inflation is 10%, then nominal interest rate will have to be about 20%. Order to have 10% return Sam must consider the inflation which means his $100 today is worth $90 next year. Fisher effect states that currencies with high rates of inflation should bear higher interest rates than currencies with lower rates of inflation. For example if you were to compare two countries United States and United Kingdom one has inflation of 4% and other had it 7%, Fisher effect stats that nominal interest rates should be about 3% higher in United Kingdom than in the United States. International Fisher Effect which states that estimated change in the current exchange rate between any two currencies is directly proportional to the difference between the two countries' nominal interest rates at a particular time. International Fisher Effect states that country with lower interest rate would also have a lower inflation rate. This makes country currency value raise over time. To explain this we use international fisher effect formula (1+rh)t/ (1+ rf)t = et/e0. Formula explains that expected return from investing at home should equal the expected HC expected from investing abroad. International Fisher Effect says is that arbitrage between financial markets in the form of international capital flows should ensure that the interest differential between any two countries is an unbiased predictor of the future change in the spot rate of exchange. http://en.wikipedia.org/wiki/Fisher_hypothesis http://www.investopedia.com/terms/i/ife.asp    

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