28 Jun
2011
28 Jun
'11
2:54 p.m.
Tim,
Have you considered using the state UA system's
employer file? That's what SEMCOG uses here in
southeast Michigan. They used be be called ES-202
files, but the name may have changed. You'd have
to do the geocoding yourself, of course, but that
should be do-able. Supposedly those files are
establishment based, and I'd think that in MA
they would at least be broken down to
municipality since county doesn't mean much
there. It's definitely worth looking into.
Patty Becker
At 03:15 PM 6/28/2011, you wrote:
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I have managed to assemble some funding to
acquire employer data for our 164-municipality
transportation modeling region in Eastern MA,
and I am wondering if any of you have comments
on the accuracy and utility of the various
proprietary employer data sources currently
available. I have been in conversations with
two major providers (InfoGroup and Dun &
Bradstreet) and have received sample files for
certain zip codes, but it is hard to assess the
accuracy or completeness of either sample.
Im wondering if anybody can offer insight on
working with such data, and whether you have
suggestions on choosing a vendor. We will be
using it primarily to determine employment by
sector at very fine geographies (250m or 1km
grid cells) for land use planning and
analysis. Some concerns we have already
identified include: branch vs. headquarters
employment, public sector employment, paper
companies and verification, and the accuracy of
the goecoded location that accompanies each record.
Any thoughts are appreciated. Feel free to
reply off-list if concerned about publicly
trumpeting or bashing somebodys product.
Thanks,
Tim Reardon
___________________________________________
Timothy G. Reardon -- Senior Regional Planner
Metropolitan Area Planning Council
60 Temple Place | Boston, MA 02111
617-451-2770 x2011
<mailto:treardon@mapc.org>treardon@mapc.org
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Say it with a map! Find data and bring it alive
at <www.MetroBostonDataCommon.htm>www.MetroBostonDataCommon.org!
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Patricia C. (Patty) Becker 248/354-6520
APB Associates/SEMCC FAX 248/354-6645
28300 Franklin Road Home 248/355-2428
Southfield, MI 48034 pbecker(a)umich.edu
