Danielle DiMartino Booth, Columnist

The Fed Can't Let Bond Yields Fall to Zero

Ultra-low rates on benchmark government debt would have negative consequences for the global financial system. 

Jerome Powell, chairman of the U.S. Federal Reserve, confronts a new crisis. 

Photographer: Bloomberg

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The Federal Reserve has a lot to worry about these days. And while it's not often mentioned, at the top of the list should be preventing rates on longer term U.S. Treasuries, the world’s risk-free benchmark securities, from falling to zero.

Treasuries play a critical role in providing ample liquidity to the global financial system because they are a manifestation of the dollar’s reserve currency status. As such, they are the most important store of value and a critical hedging instrument for global market participants. The Treasury market is also the primary vehicle through which the Fed transmits monetary policy.