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Re: Barrons on monthly effect
Jim,
Which Barrons article had the stuff on "December effect." RE: Seasonal
Adjustment, the guys I work with (actuaries) refuse to deal with the Gov't
Seas Adjust problem; they'll take a lot more autoregression from using 4QMA's
rather than the stupid revisions due to bizarre seasonal factors. While I use
the "official" seasonal adjustment algorithms (e.g. X-11 w/wo trend), the fact
that the gov't only uses 3 years of data for monthly seasonal factors is a
problem.
Bottom line - use yr/yr growth rates for monthly data!
Jason
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