Junk Econometrics [was School vouchers]

Doug Henwood dhenwood at panix.com
Thu Mar 18 09:24:10 PST 1999


Max Sawicky wrote:


>Another common transgression is using correlation to justify a
>particular direction of causation, notwithstanding the
>availability of (admittedly imperfect) tests for causation.

I keep running into so-called Granger tests. Are these reliable, or controversial?

Doug



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