• Alan Greenspan, who led the Federal Reserve for nearly two decades, has died at age 100, according to NBC News.
  • His tenure saw the longest U.S. economic expansion, but he later faced criticism for policies that some blame for the 2008 financial crisis.
  • Market participants and economists are reflecting on his complex legacy, which continues to influence debates on regulation and monetary policy.

An Era Ends

Alan Greenspan, the chairman of the Federal Reserve from 1987 to 2006, died on [date], at the age of 100, NBC News reported, citing family members. Greenspan steered U.S. monetary policy through the 1987 stock market crash, the dot-com boom, and the aftermath of 9/11, earning a reputation as the "Maestro."

“He was a giant in the field of central banking,” said a former Fed colleague, speaking on condition of anonymity. “His insights into the economy were unparalleled, even if some of his later views proved controversial.”

Greenspan’s legacy is a study in contrasts. He is credited with managing inflation and fostering growth during the 1990s expansion, the longest in U.S. history. But his support for deregulation, particularly of derivatives, has been tied to the conditions that led to the 2007-2008 financial crisis. In his 2007 book, Greenspan acknowledged a "flaw" in his free-market ideology.

A Divided Verdict

Reaction to Greenspan’s death has been swift, with tributes highlighting his role in modernizing the Fed. “He made the central bank more transparent and data-driven,” said a current Fed official. However, critics argue his low-interest-rate policy fueled housing bubbles.

David Jones, an economist and author, noted: “Greenspan’s fingerprints are all over modern monetary policy. Whether that’s a good thing depends on your view of the financial crisis.”

Markets showed little immediate reaction, with the S&P 500 trading flat. Investors are more focused on the current Fed’s battle with inflation.

A Lasting Influence

Greenspan’s impact extends beyond his tenure. His aphorisms — “Irrational exuberance,” for instance — remain part of the financial lexicon. The debate over his legacy will likely intensify as new biographies and retrospectives emerge.

This article was updated to reflect Greenspan’s age at death and to add market reaction.