ZLBT Chats

Friday, April 2, 2010

Economics without mathematics

A professor of economics once sums up the overwhelming majority of economics papers in one sentence:

"The basic form of an academic economics paper is a couple of comprehensible paragraphs at the beginning and a couple of comprehensible paragraphs at the end, with a bunch of really-hard-to-follow math or statistical analysis in the middle.
"

What he doesn’t (need to) mention is the way that analysts read economics papers where most generally have no ability or inclination to try to understand the details of the formulae and regression analyses, so we confine ourselves to reading the stuff in English, and work on the general assumption that the mathematics is reasonably solid.
The problem of course is that we really have no basis for making that general assumption: we make it not because we think it’s particularly justified or justifiable, but because we don’t have any choice.

What’s more, because we’re always interested in what’s new, and because we have easy access to the internet and little access to expensive journals, we gravitate to p
reprints at any websites rather than papers which have gone through peer review. I worry about this. The blogosphere is full of interesting debates between people who understand and respond to what everybody else is saying. But the minute that economic papers get cited, the degree of understanding plunges, and most bloggers and analysts are cowed by all those equations into simply assuming that it all stands up somehow. There’s no easy way around this problem, but at the very least it should probably be much more out there in the open than it is.

No one likes admitting ignorance, but the blogosphere would be a better place, I think, if we all did so more regularly, especially when it comes to the nuts and bolts of economic analysis.
On the other hand, maybe the general assumption is justified. Any economists care to weigh in on the frequency with which important problems in an economics paper are buried in the math?

Here's my simple take on this situation - If Santana talks about guitars, everybody should listen up. But when Santana talks CPO in F major7 then I cannot blame you and your failures for you've been wasting time on a guy with long green hair, a painted face and a big red nose.
He should have stuck to his Les Paul axing Black Magic Woman like the expert that
he is.

Let it rip Carlos; everything musical;
anything but palm oil.




HAVE A NICE DAY!!!

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