Taylor Rule [TR]

The Taylor Rule is a monetary policy guideline that prescribes how central banks should adjust interest rates in response to changes in inflation and economic output. Developed by economist John Taylor in 1993, the rule suggests that the federal funds rate should equal the neutral rate plus half the inflation gap (difference between actual and target inflation) plus half the output gap (difference between actual and potential GDP). Mathematically: Federal Funds Rate = Neutral Rate + 0.5(Inflation – Target Inflation) + 0.5(Output Gap). For example, if the neutral rate is 2%, inflation is 3% (target is 2%), and the output gap is 2%, the Taylor Rule would suggest a federal funds rate of 2 + 0.5(1) + 0.5(2) = 3.5%. The rule provides a systematic approach to monetary policy, helping central banks respond appropriately to economic conditions while maintaining credibility and transparency. While the Federal Reserve doesn’t mechanically follow the Taylor Rule, Fed officials regularly reference it as a benchmark for policy decisions. Various versions exist, including rules that respond to employment gaps or use different weights for inflation and output objectives.