When Paul Volcker took the helm of the Federal Reserve in August 1979, America was sick. Inflation had climbed above 11 percent, the dollar was in freefall, and economists had given up trying to explain why nothing worked anymore. The six-foot-seven former Treasury official had a simple prescription: pain.

The shock doctrine

Volcker's approach was revolutionary in its simplicity and ruthlessness. Rather than the Fed's traditional focus on interest rates, he would target the money supply directly, letting rates go wherever they needed to. They went to 20 percent. Construction workers burned two-by-fours on the White House lawn. Car dealers mailed him the keys to their unsold inventory. Unemployment hit double digits.

The political pressure was extraordinary. Reagan's advisers wanted him gone. Congress hauled him in for hearings where representatives accused him of destroying the American dream. Volcker, chomping on his ever-present cigar, was unmoved. "The standard of living of the average American has to decline," he told Congress in October 1979. The frankness was breathtaking.

The Volcker standard

What Volcker understood, and what his predecessors had not, was that credibility is a central bank's only real tool. Once markets believed the Fed would do whatever it took to kill inflation, the psychology shifted. By 1983, inflation had fallen below 4 percent. The dollar strengthened. The stage was set for what would become a four-decade era of low inflation and Fed supremacy.

Every Fed chair since has operated under what might be called the Volcker Doctrine: that the central bank's independence is sacred, that inflation expectations matter more than inflation itself, and that short-term pain is preferable to long-term catastrophe. When Jerome Powell invokes the need to "keep at it" despite economic pain, he's reading from Volcker's script.

Our take

Volcker died in December 2019, just before the world discovered that zero interest rates and massive money printing might not cause inflation after all—until suddenly they did. His legacy isn't just the conquest of 1970s inflation but the template for how institutions build and wield credibility. In an age when every institution faces a crisis of trust, Volcker's playbook—clarity of purpose, acceptance of unpopularity, and the long view—remains the gold standard. Central bankers still ask themselves: what would Volcker do?