...When I write 2+2=4, what am I using? Arabic numerals! And what was the key invention behind Arabic numerals? Zero! So when I talk about the zero lower bound, you know what it means: I’m trying to impose Sharia law on the US economy..
Clearly, to free America from this nefarious plot, we need to vote for Sarah Palin in the MMXII election. ...Paul Krugman