One of the most interesting things that I've read in multiple commenters is that his most important insights seemed obvious. I think perhaps the deepest economics insights do--after someone has pointed them out. Everything from comparative advantage to the Coase Theorem makes you slap your head with the inescapable logic of it, and wonder how it can have escaped the human race for so long. And still, it takes a genius to reveal these obvious truths to the rest of us poor slobs. Krugman's math is far too impenetrable for this English major, but the conclusions are as clear and lovely as a bell.
This article available online at:
http://www.theatlantic.com/business/archive/2008/10/paul-krugman-wins-the-nobel-prize/4229/
