So how do austerians deal with the reality of interest rates that are plunging, not soaring? The latest fashion is to declare that there’s a bubble in the bond market: investors aren’t really concerned about economic weakness; they’re just getting carried away. It’s hard to convey the sheer audacity of this argument: first we were told that we must ignore economic fundamentals and instead obey the dictates of financial markets; now we’re being told to ignore what those markets are actually saying because they’re confused.