Edmund S. Phelps, the 2006 Nobel laureate whose work reshaped central‑bank thinking on inflation and unemployment, died at 92 in Manhattan after battling Alzheimer’s. His 1968 paper introduced the concept of a natural rate of unemployment and warned that persistent stimulus would fuel ever‑rising prices. Policymakers now cite his research when targeting low, stable inflation, and his insights also informed the Federal Reserve's 2022 policy shift toward quantitative tightening.

The Royal Swedish Academy praised Phelps for showing that today’s policy choices shape tomorrow’s inflation expectations, a principle that underpins modern forward‑guidance. Former Fed chair Ben S. Bernanke credited the “Friedman‑Phelps” argument for ending the practice of using inflation to force unemployment below its sustainable level. The framework also guides emerging market central banks seeking credibility amid volatile capital flows.

Beyond academia, Phelps influenced monetary policy during the Great Recession and the post‑pandemic recovery, urging restraint as economies chased growth. His centrist reputation, noted by Harvard economist Jason Furman, kept his ideas insulated from partisan battles that sidelined contemporaries like Milton Friedman. Investors regard his legacy as a cornerstone of the price‑stability framework guiding bond markets today, and his textbooks remain core reading for graduate programs, reinforcing the link between micro foundations and macro policy.