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"In regards to ultra-long bonds, our focus right now is on 50-year bonds. That's something that we're actively considering for next year. And we'll consider 100-year bonds at an appropriate time," Mnuchin told reporters on Thursday.
Treasury Secretary Steve Mnuchin departs after speaking to reporters outside the West Wing of the White House in Washington, Monday, Sept. 9, 2019. (AP Photo/Andrew Harnik)
The idea isn't totally out of the blue. Mnuchin discussed issuing signifcantly longer-term bonds in August.
"If the conditions are right, then I would anticipate we'll take advantage of long-term borrowing and execute on that," Mnuchin told Bloomberg News during an interview.
The Treasury issues bonds starting at one month and capped at 30 years. Experts recommend investing in one- to 10-year bonds since longer-term bonds carry the risk that inflation will cut the value of payments.