Stagflation

What Is Stagflation?

Stagflation is a combination of three conditions that usually do not appear together: stagnant economic growth, persistently high unemployment rate and sustained inflation. The word blends "stagnation" and "inflation." Economists often use it to describe a period when an economy produces little new output and jobs are scarce, yet the cost of living keeps climbing.

Why It Was Considered Unusual

For much of the twentieth century, many economists believed that inflation and unemployment moved in opposite directions. The idea, often linked to the Phillips curve, suggested that tight labor markets pushed up wages and prices, while weak demand reduced both. Stagflation challenged this view because it showed that prices could rise even when the economy was weak and workers were struggling to find jobs.

What Causes It

Stagflation usually comes from a shock to the supply side of the economy rather than from strong demand. Common triggers include a sharp rise in the price of key inputs such as oil, disruptions to supply chains, or policy mistakes that combine tight constraints on production with loose control over money. When businesses face higher costs, they may cut output and staff while also raising prices to protect their margins. Central banks face a difficult trade-off, because raising interest rates to fight inflation can deepen the slowdown, while easing policy to support jobs can push prices higher still.

Why It Matters to Investors

Stagflation tends to be unfavorable for many asset classes at once. Rising costs can squeeze company profit margins, and higher interest rates can reduce the present value of future earnings, which often weighs on stock prices. Bond prices may also fall when inflation erodes the fixed payments they promise. Some investors look to assets such as commodities or inflation-linked bonds in these periods, though outcomes vary and no approach is guaranteed to protect against losses.

Stagflation is studied as a historical phenomenon, most notably during the 1970s, when many developed economies experienced high inflation alongside weak growth and rising unemployment. Its lessons continue to shape how economists and policymakers think about the limits of managing inflation and employment at the same time.