Earlier quoted context omitted.
> Whoops According to the data, not really. Short-term mortgage rates increased steadily for the next several years; long-term rates also ticked up, but not by as much. He basically refinanced his home exactly at the bottom [1]. [1] http://www.bankrate.com/finance/mortgage-rates-history-0112....
I think we need to change the scales and put it in context: http://mortgage-x.com/images/graph/fhfb_contract_rate.gif According to the data, yes really.
If you're asking Krugman to have predicted the 2008 crisis in 2003, I think that's a bit much.