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Strategies & Market Trends : Trend Setters and Range Riders
MSFT 485.49+1.8%Nov 26 3:59 PM EST

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To: bobby is sleepless in seattle who started this subject3/3/2002 5:55:17 PM
From: bafi403   of 26752
 
Here is a cautionary note on macro numbers:

Consider a small bookstore in a mall that faces flat sales
of 400 books per month, (that is, 0% "true" monthly growth).
Now suppose that the bookstore loses 2/3 of normal traffic
in September due to people staying at home and watching the
terrorist incidents on TV; and loses 1/3 and 1/5 of normal
traffic in October and November due to anthrax and military
action in Afghanistan, etc. These assumptions would
generate the following reported numbers for the bookstore.

Books Monthly Growth Quarterly Growth
Jun 400 0% 0%
Jul 400 0%
Aug 400 0%
Sep 133 -67% -22%
Oct 267 +101%
Nov 320 +20%
Dec 400 +25% +6%
Jan 400 0%
Feb 400 0%
Mar 400 0% +22%
Apr 400 0%
May 400 0%
Jun 400 0% 0%

As is obvious, "reported" growth rates have been
contaminated by the extreme events, even though "true"
growth rates have not changed.

The monthly numbers are just beginning to get cleaned up,
the quarterlies and many moving average type numbers will
take a while to get de-contaminated. In short, be careful
about getting too excited too soon, it is still too early to
pass judgement on the state of the economy.

Bafi403.
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