Know all about what is Fischer Equation and the relationship between nominal and real interest rates.
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Fisher Equation : Relationship Between Nominal And Real Interest Rates
Fisher equation is one of the most significant concepts in Economics.
The Fisher equation is a concept of economics stating the relationship between nominal interest rates and real interest rates. The bond given between the two is derived under the effect of inflation.
The concept of the Fisher equation has great significance in the field of finance and economics as it is used in calculating returns on investments (ROI) or estimating the nature of nominal and real interest rates.
How To Calculate The Fisher Effect ?
The exact formula to justify the relationship between the real interest rate and nominal interest rate can be given as follows: (1 + nominal interest rate) = (1 + real interest rate) * (1 + inflation rate)
In mathematical terms, the Fisher equation is broadly expressed using the formula given below: (1 + i) = (1 + r) * (1 + Pi) where: i = the nominal interest rate r = the real interest rate Pi = the inflation rate
Therefore, the approximate relationship between the real interest rate and the nominal interest rate can be shown as follows: i ≈ r + Pi
Fisher Equation Examples
Suppose you own a firm having the real rate of return to 3.5% and expected inflation to 5.4%. According to the above formula, the approximate nominal rate of return can be calculated as 0.035 + 0.054 = 0.089, or 8.9%. Therefore, substituting the value of i and r in the formula for the Fisher equation, (1 + i) = (1 + r) * (1 + Pi), the value for the nominal rate of interest is 9.1%.
What Is Inflation Rate?
I nflation rate is a measure of the price inflation comprehending the annual percentage change in the consumer price index (CPI). T he inflation rate contributes to the development of an economy as it compares an increase in the general price level of goods.
Nominal Rate Of Interest
The nominal rate of interest is the type of interest rate which is measured before considering the inflation in an economy. It is compared with the real interest rate before referring to in flation. The term “nominal” may also refer to the advertised or stated interest rate on a loan, without taking into account any fees or compounding of interest.
The Relationship Between Nominal And Real Interest Rate
In the Fisher equation, the value of the nominal interest rate and the actual interest rate is similar. It highlights the financial growth for a specific interval of time deciphering the total amount owed to a financial lender. On the contrary, a real interest rate refers to the amount reflecting the buying capacity of the money borrowed over a specific time.
The two interest rates work in the direction to identify the financial growth for a pre-defined interval of time. Thus, the fundamental relationship among them can be determined by the nature of their work.
Pros Of The Fisher Effect
Fisher effect distinguishes between the nominal interest rate and the real interest rate giving a clear picture for these interest rates. It contributes to sustainable development of the economy as it detects a situation where investors or lenders demand an additional reward.
Cons Of The Fisher Effect
The elasticity of demand to interest rates: With the continuous rise in the price of the assets, the high-interest rates prove to be worthless in reducing demand. This gives rise in the central banks the need to increase the real interest rate to affect.
Liquidity Trap: It works on the concept of reducing nominal interest rates to influence the expenditure in favour of the business. Thus, to attract investment, the bank needs to increase the interest rates and eliminate all the possibilities of failure.
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