In macroeconomic analysis, monetary governance, and economic history, Stagflation represents one of the most perilous and perplexing predicaments a modern industrial economy can encounter. The term describes a contradictory economic state characterized by the simultaneous occurrence of sluggish or Stagnant economic growth (often bordering on recession), elevated Unemployment, and persistently high Inflation. This combination defied classical twentieth-century macroeconomic dogma, which held that inflation and unemployment were trade-offs that moved in opposite directions: robust economic booms generated inflation due to strong aggregate demand, whereas economic slowdowns relieved price pressures by raising unemployment.
The term "stagflation" was first coined in November 1965 by the British politician and Conservative Party shadow chancellor Iain Macleod in an address to the House of Commons, where he warned that the United Kingdom was facing "the worst of both worlds—not just inflation on the one side or stagnation on the other, but both of them together." The real-world emergence of stagflation during the 1970s shattered the conventional Phillips Curve framework formulated by A.W. Phillips in 1958. Economists Milton Friedman and Edmund Phelps had presciently anticipated this collapse through the Natural Rate of Unemployment hypothesis, demonstrating that an expectations-augmented curve would result in runaway inflation without permanently lowering unemployment if the government attempted to force growth through continuous monetary stimulation.
Stagflation is exceptionally difficult to resolve because traditional demand-management tools fail when an economy experiences adverse supply shocks. Under conventional conditions, a central bank combats inflation by hiking interest rates to suppress demand; however, in a stagflationary environment, higher borrowing costs further depress struggling enterprises and exacerbate unemployment. Conversely, if monetary authorities slash interest rates or governments inject fiscal stimulus to resuscitate job creation, the extra liquidity fuels the inflationary fire without generating real goods. Escaping stagflation historically required drastic measures, such as Federal Reserve Chairman Paul Volcker's aggressive interest rate hikes in 1979–1981 to crush inflation expectations, combined with comprehensive supply-side reforms aimed at removing industrial bottlenecks, boosting energy security, and expanding productive capacity.