Some banking groups have urged the Biden administration and the Federal Deposit Insurance Corp (FDIC) to temporarily guarantee all U.S. bank deposits, a move they say will help quell a crisis of confidence after the failure of Silicon Valley Bank (SIVB.O) and Signature Bank (SBNY.O). "I have not considered or discussed anything having to do with blanket insurance or guarantees of deposits," she said. "The failure of a small bank, of a community bank, could likewise trigger a run on other banks," she said. "To the best of my knowledge, we've never seen deposits flee at the pace that they did from Silicon Valley Bank," Yellen said. Yellen said it was "not obvious" that banks would pass those costs on to bank customers.

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