JUST who or what is holding down US government borrowing rates has become one the big financial questions of the year – at least for those who think the Fed’s ongoing bond-buying programme is not a good enough explanation.
The puzzling slide in Treasury yields around second-quarter inflation scares has fingers pointing at several culprits – wily Federal Reserve communications on “transitory” price pressures, leakage from a temporary cash flood in money markets, wrong-footed speculators or even skewed debt sale dynamics.