… is from Greg Mankiw’s recent blog post, “Mistakes “:
But just because someone in Team A makes an inadvertent excel error does not mean that everything Team B believes is true. To suggest otherwise would be a truly egregious mistake.
BTW, the best analysis that I’ve so far read of the absurd brouhaha over Reinhart’s and Rogoff’s coding error is here . (HT Tyler Cowen)