Reinhart-Rogoff One More Time: Why the 90 Percent Never Should Have Been Taken Seriously

As a general rule economists are not very good at economics. This is why almost none of them were able to recognize the $8 trillion housing bubble that sank the economy. (No, this isn't bragging, it only took simple arithmetic and basic logic.) Most economists are unable to conceptualize anything that someone with more standing in the profession did not already write about.

This is the only reason that the Reinhart-Rogoff 90 percent debt-to-GDP threshold was ever taken seriously to begin with...