On the contrary, they are puzzled about why we view the current low level of US long-term interest rates as worrisome. From their perspective, today’s high demand for long-term dollar-denominated securities is easily explained: Asian central banks are buying in order to hold down their currencies, the US Treasury is borrowing short (and thus not issuing that many long-term securities), and US companies are not undertaking the kinds of investments that would lead them to issue many long-term bonds.