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Taylor’s Rule


Taylor’s Rule is an interest rate forecasting model invented by economist John Taylor in 1993. It suggests that the Federal Reserve should adjust interest rates based on deviations of inflation or economic output from their targets. In essence, it proposes higher interest rates when inflation is above target or when GDP growth is too high, and lower rates when the opposite situations occur.


The phonetics of the keyword “Taylor’s Rule” would be:’Tay-lers rool’

Key Takeaways

  • Taylor’s Rule is an interest rate forecasting model that was invented and perfected by economist John Taylor, which is designed to stipulate how nominal interest rates should be determined.
  • >Broadly speaking, this rule suggests that the real interest rate should be determined based on the gap between the actual and estimated rates of inflation and the levels of full employment.
  • Since its inception, Taylor’s Rule has been widely recognized as highly useful in the world of economics. Its application can lead to a more stable economic environment by aligning monetary policy with optimal long-term growth strategies.


Taylor’s Rule is an important term in business and finance because it provides a guideline for how central banks, like the Federal Reserve, should adjust interest rates in response to changes in economic conditions. Developed by economist John Taylor, the rule suggests that for each one-percent increase in inflation, the central bank should raise the nominal interest rate by more than one percentage point. It underscores the central bank’s dual mandate of maintaining stable prices and maximum employment. Therefore, the Taylor’s Rule plays a crucial role in monetary policy decisions, as it helps strike a balance between interest rates and inflation, therefore promoting sustainable economic growth.


Taylor’s Rule is a guideline for monetary policy, particularly relating to interest rates, crafted by economist John B. Taylor. The intended purpose of Taylor’s Rule is to provide a formulaic response to changes in economic conditions, specifically inflation and output. By establishing a relationship between nominal interest rates and these economic indicators, central banks can better guide their decisions to change, increase, or decrease interest rates. Essentially, the rule supports the central banks in improving economic stability by preventing inflation from spiraling out of control or economies from diving into recession.

The main use of Taylor’s Rule lies in its ability to offer a systematic and clear approach to monetary policy decisions. Under certain economic conditions, the rule suggests how to adjust interest rates in alignment with the economy’s actual performance versus its potential. For instance, if inflation is above a targeted level, or if GDP is below its potential, Taylor’s Rule indicates that interest rates should be raised. Conversely, if inflation is below the target or GDP is above its potential, the rule would advise for a reduction in the rates. This aids in creating a balanced and well-regulated economic environment.


Taylor’s Rule is a monetary policy guideline that suggests how central banks should react to changes in economic conditions. It was proposed by John B. Taylor, a renowned economist, in 1992.

1. The Federal Reserve USA (2007-2008 Financial Crisis): During the 2007-2008 financial crisis, the Federal Reserve used the guidelines of Taylor’s Rule to adjust the Federal Funds Rate, which is the interest rate at which depository institutions trade federal funds with each other overnight. To mitigate the damage of the recession, the Fed, according to Taylor’s rule, lowered the funds rate to stimulate economic growth.

2. The Bank of Japan (2000’s Stagnation): During Japan’s long period of economic stagnation in the 2000s, some economists argued that the Bank of Japan failed to lower interest rates fast enough according to the prescriptions of Taylor’s Rule, which elongated the period of economic recovery.

3. The European Central Bank (Eurozone Debt Crisis): In the aftermath of the Eurozone debt crisis that started in 2009, application of Taylor’s Rule suggests that the European Central Bank should have lowered interest rates more aggressively than it did to boost economic growth. This was a subject of controversy among economists and policy makers as the bank tried to balance the inflation targets with the need for economic stimulus.

Frequently Asked Questions(FAQ)

What is Taylor’s Rule in finance?

Taylor’s Rule is an interest rate forecasting model invented by John Taylor in 1993. It suggests how central banks should change interest rates in response to changes in economic conditions.

Who is the creator of Taylor’s Rule?

Taylor’s Rule was created by John B. Taylor, a renowned economist who served as Under Secretary of the Treasury during the Clinton administration.

How is Taylor’s Rule used by central banks?

Central banks use Taylor’s Rule to adjust their interest rates in order to stabilize the economy. The rule takes into account changes in inflation, GDP, and the economic equilibrium to suggest an appropriate interest rate.

Could you specify the main factors in Taylor’s Rule?

The key inputs in Taylor’s Rule are the target inflation rate, the actual inflation rate, the equilibrium real interest rate, and the output gap.

What is the mathematical representation of Taylor’s Rule?

Mathematically, Taylor’s Rule can be represented as: R = P + 0.5(Y – Y*) + 0.5(P – P*) + r*, where R is the desired federal funds rate, P is the rate of inflation, Y is logarithm of real output, Y* is logarithm of potential output, P* is the target inflation rate, and r* is the assumed real equilibrium federal funds rate.

Does every central bank use Taylor’s Rule?

Not every central bank uses Taylor’s Rule. It is a guideline that can be adjusted or ignored based on a central bank’s judgment about current economic conditions, future expectations, or policy priorities.

How does Taylor’s Rule help in stabilizing the economy?

Taylor’s Rule helps to stabilize the economy by suggesting an appropriate response in terms of interest rate adjustments to any deviation from the desired inflation and output levels. This can help in managing inflation and stimulating economic growth.

What are the limitations of Taylor’s Rule?

Limitations of Taylor’s Rule include its assumption of a stable relationship between economic output and inflation, and that it doesn’t account for financial stability considerations. It’s also based on target and equilibrium parameters that may not be accurately known or may change over time.

What is the difference between Taylor’s Rule and the Taylor Principle?

While Taylor’s Rule refers to the interest rate policy rule as developed by John B. Taylor, the Taylor Principle is a specific component of Taylor’s Rule which suggests that the central bank should respond more than one-for-one to changes in inflation.

Related Finance Terms

  • Interest Rates
  • Monetary Policy
  • Inflation Targeting
  • Macroeconomic Stability
  • Central Bank

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