Policy Interest Rates in Latin America: Moving to Neutral?


By Nicolas Magud and Evridiki Tsounta 

(Version in Español)

Many Latin American countries have strengthened their monetary policy frameworks in recent years to keep the rate of inflation in check. Some of them have adopted an inflation target and use the policy interest rate as the main tool to achieve that target.

But how do central bankers know whether monetary policy is expansionary or contractionary? Policymakers would need to know how the current policy rate compares to a benchmark or neutral rate.

The neutral interest rate is the real interest rate consistent with the economy operating at full employment and stable inflation. If the economy is operating above its potential capacity and inflation is rising, policymakers should increase the policy interest rate above the neutral level to cool down the economy. Conversely, if the economy is operating below its full employment level, interest rates may need to be lowered below the neutral level.

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