Professor of Economics at Washington University, St Louis, David Levine, wrote a sarcastic rebuttal of Paul Krugman's famous essay on the profession. In Levine's essay, he used this article as one "proof" that Krugman had no idea what he was talking about.
Do take a quick look. Quick is the key. If you know how to translate it into human language about inflation, which should have been a simple enough concept, let me know.
Levine's letter is HERE.