[OPE-L] industry concentration

From: Paul Adler (padler@USC.EDU)
Date: Wed Feb 02 2005 - 17:56:36 EST

I am looking for data on the degree of concentration in US industry
(mfg and non-mfg), and how it has evolved over the past decades (a
century would be great).
Someone suggested I look at the concentration within the Fortune 500
-- but that leaves open the question of their weight in the overall
Does anyone have any leads one where one might find such data?
Thanks in advance

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