We’re now in the seventh year of a slump brought on by Wall Street excess; the wizardly job of “allocating the economy’s investment resources” consis… - Paul Krugman

It is a bit funny, but also quite sad: Those who preach the doctrine of global glut are tilting at windmills, when there are some real monsters out there that need slaying.

Will the tax cut destroy America’s prosperity? Probably not. As Adam Smith observed, there’s a deal of ruin in a nation. We have a huge, resilient economy that can survive and recover from even quite bad government policies. Yet while the tax cut may not be a matter of economic life or death, it is a very serious issue. For one thing, like it or not, the tax cut has become the central political issue in the United States right now. Conservatives who want to reshape America view passage of a large tax cut as a first step toward realizing their vision. For that reason, those who do not share this vision feel, rightly, that they must oppose the plan.

Here, then, is a revised version of Marshall's rules: (1) Figure out what you think about an issue, working back and forth among verbal intuition, evidence, and as much math as you need. (2) Stay with it till you are done. (3) Publish the intuition, the math, and the evidence - all three - in an economics journal. (4) But also try to find a way of expressing the idea without the formal apparatus. (5) If you can, publish that where it can do the world some good.