pan91hdr.doc last update Nov. 20, 1994
Bronwyn H. Hall
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This file describes the dataset pan91hdr.dat. The dataset contains
the header info for all the firms in the 1991 R&D-manufacturing
sector panel. The variables are the following (Compustat names in
parentheses):
cusip
sic
87/91
srce
smbl
cname
6-digit cusip number (CNUM).
4-digit sic from Compustat (DNUM).
='bo' if on both 87 and 91 files; ='en' if firm entered
during 88-91.
='ind' or 'otc'; followed by 'r'(esearch) or 'a'(nnual).
Stock market ticker symbol (SMBL).
Compustat name of firm (CNAME).
In SAS notation, the format of each record is the following:
(6.0 +1 4.0 +1 $2. +1 $3. +1 $1. +1 $5. +1 $28.)