When you cover the economy as a reporter, there's one part of the job that is always easy: finding economists who disagree.

If your business is really easy to do, don't gloat. You might be out of a job soon.

Unlike physics, economists don't settle things. There seems to be plenty of room for different conclusions that are still accepted in the academy.

Like a bottle of wine or a promising college quarterback turning pro, C.E.O.'s are similar to what economists call experience goods: you commit to a price long before you know if they're worth it.

I know there are 20 economists out there who could do the job.

Perhaps concentrated wealth will inspire a nation of innovative problem-solvers. But if the view of many economists is right - that it sometimes discourages innovation - then we should worry.