The US pays about $1 trillion a year in interest.

Long-term Treasury yields are near a two-decade high, and the causes do not look temporary.

The Treasury already leans on short-term bills and small buybacks, and the next step would need the Federal Reserve.

“The Fed can’t do it alone,” said Veronique de Rugy, a Mercatus Center senior research fellow.

The Federal Reserve holds its rate decision on 28 October.

Sources: Reuters