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Federal Reserve chairman Kevin Warsh in Jackson Hole, Wyoming. Photo: Natalie Behring/Getty Images

With markets wobbling and the world watching, Federal Reserve chairman Kevin Warsh went back to basics yesterday morning: He affirmed that the Fed is determined to get inflation down and may have to raise interest rates to accomplish it, Axios' Neil Irwin writes from Jackson Hole, Wyoming.

Why it matters: If the Warsh Fed follows through with rate hikes, it would increase borrowing costs for Americans and potentially put him in the crosshairs of the rate-cut loving president who appointed him.