FILE - In this June 21, 2016, file photo, Federal Reserve Chairman Janet Yellen arrives on Capitol Hill in Washington to testify before the Senate Banking Committee. (AP Photo/Evan Vucci, File)

FILE - In this Sept. 28, 2016, file photo Federal Reserve Board Chair Janet Yellen prepares to testify on Capitol Hill in Washington before the House Financial Services Committee. (AP Photo/Pablo Martinez Monsivais, File)

FILE - In this Jan. 29, 2021, file photo President Joe Biden meets with Treasury Secretary Janet Yellen in the Oval Office of the White House in Washington. (AP Photo/Evan Vucci, File)

FILE - In this April 7, 2016, file photo from left, Federal Reserve chair Janet Yellen, and former Federal Reserve chairs Ben Bernanke, Paul Volcker appear together for the first time in New York. (AP Photo/Kathy Willens, Pool, File)

FILE - In this Aug. 26, 2016, file photo Federal Reserve Chair Janet Yellen, center, walks with Stanley Fischer, right, vice chairman of the Board of Governors of the Federal Reserve System, and Bill Dudley, the president of the Federal Reserve Bank of New York, before Yellen's speech to the annual invitation-only conference of central bankers from around the world, at Jackson Lake Lodge in Grand Teton National Park, north of Jackson Hole, Wyo. (AP Photo/Brennan Linsley, File)

FILE - In this Feb. 14, 2017 file photo Federal Reserve Chair Janet Yellen appears on Capitol Hill in Washington before the Senate Banking Committee. (AP Photo/Andrew Harnik, File)

FILE - In this Oct. 9, 2013, file photo President Barack Obama listens as Janet Yellen, vice chair of the Board of Governors of the Federal Reserve System, speaks in the State Dining Room of the White House in Washington, where the president announced he is nominating Yellen to be chair of the Federal Reserve, succeeding Ben Bernanke. (AP Photo/Charles Dharapak, File)

FILE - In this July 2, 2014, file photo International Monetary Fund Managing (IMF) Director Christine Lagarde, left, and Federal Reserve Chair Janet Yellen sit down for a conversation at the IMF in Washington. (AP Photo/Susan Walsh, File)

FILE - In this Feb. 24, 2015, file photo Federal Reserve Board Chair Janet Yellen prepares to testify on Capitol Hill in Washington before the Senate Banking Committee. (AP Photo/Susan Walsh, File)

FILE - In this Oct. 6, 2014, file photo President Barack Obama sits across the table from Federal Reserve Chair Janet Yellen, left, and Treasury Secretary Jacob Lew during a meeting with financial regulators in the Roosevelt Room of the White House in Washington. (AP Photo/Evan Vucci, File)