HomeFinance & EconomicsEconomicsWhat is Phillips Curve?
Finance & Economics·2 min·Updated Mar 11, 2026

What is Phillips Curve?

Phillips Curve

Quick Answer

The Phillips Curve is an economic concept that shows the inverse relationship between inflation and unemployment. It suggests that when unemployment is low, inflation tends to be high, and vice versa.

Overview

The Phillips Curve illustrates the trade-off between inflation and unemployment in an economy. It was first introduced by economist A.W. Phillips, who observed that when unemployment rates are low, inflation rates rise, and when unemployment is high, inflation tends to fall. This relationship helps economists understand how policies can influence the economy, particularly in managing growth and stability. The way the Phillips Curve works is that it provides a framework for policymakers to consider when making decisions about interest rates and employment. For example, if a government wants to reduce unemployment, it may implement measures that encourage spending and investment, which can lead to higher inflation. Conversely, if inflation is too high, they might raise interest rates to slow down the economy, which could increase unemployment. Understanding the Phillips Curve is important because it highlights the challenges in balancing economic goals. Policymakers must navigate the delicate balance between fostering job growth and controlling inflation. A real-world example can be seen in the 1970s when many economies experienced stagflation, a situation where both inflation and unemployment were high, challenging the traditional view of the Phillips Curve.


Frequently Asked Questions

The Phillips Curve indicates that there is typically an inverse relationship between inflation and unemployment. When unemployment is low, inflation tends to rise, while high unemployment usually correlates with lower inflation.
Policymakers can use the Phillips Curve to make informed decisions about monetary and fiscal policies. By understanding the relationship between inflation and unemployment, they can adjust interest rates and spending strategies to achieve desired economic outcomes.
The Phillips Curve is not always accurate, especially in situations like stagflation, where high inflation and high unemployment occur simultaneously. Economic conditions can change, and other factors may influence the relationship between inflation and unemployment.