What’s Wrong with Economics 1) Fatal Unconnectedness, Leading To “Man With A Hammer Syndrome,” Often Causing Overweighing What Can Be Counted I think I’ve got eight, no nine objections, some being logical subdivisions of a big general objection. The big general objection to economics was the one early described by Alfred North Whitehead when he spoke of the fatal unconnectedness of academic disciplines, wherein each professor didn’t even know the models of the other disciplines, much less try to synthesize those disciplines with his own. I think there’s a modern name for this approach that Whitehead didn’t like, and that name is bonkers. This is a perfectly crazy way to behave. Yet economics, like much else in academia, is too insular. The nature of this failure is that it creates what I always call, “man with a hammer syndrome.” And that’s taken from the folk saying: To the man with only a hammer, every problem looks pretty much like a nail. And that works marvellously to gum up all professions, and all departments of academia, and indeed most practical life. The only antidote for being an absolute klutz due to the presence of a man with a hammer syndrome is to have a full kit of tools. You don’t have just a hammer. You’ve got all the tools. And you’ve got to have one more trick. You’ve got to use those tools checklist-style, because you’ll miss a lot if you just hope that the right tool is going to pop up unaided whenever you need it. But if you’ve got a full list of tools, and go through them in your mind, checklist-style, you will find a lot of answers that you won’t find any other way. So limiting this big general objection that so disturbed Alfred North Whitehead is very important, and there are mental tricks that help do the job. Overweighing what can be counted A special version of this “man with a hammer syndrome” is terrible, not only in economics but practically everywhere else, including business. It’s really terrible in business. You’ve got a complex system and it spews out a lot of wonderful numbers that enable you to measure some factors. But there are other factors that are terribly important, [yet] there’s no precise numbering you can put to these factors. You know they’re important, but you don’t have the numbers. Well practically everybody (1) overweighs the stuff that can be numbered, because it yields to the statistical techniques they’re taught in academia, and (2) doesn’t mix in the hard-to-measure stuff that may be more important. That is a mistake I’ve tried all my life to avoid, and I have no regrets for having done that. - http://www.farnamstreetblog.com/2015/03/charlie-munger-academic-economics/