format
The data contains the following sets:
rl{
P Condition: public university ("1" yes, "0" no)
E Condition: support of elite allies ("1" yes, "0" no)
A Condition: national union affiliation ("1" yes, "0" no)
S Condition: a strike or strike threat ("1" yes, "0" no)
EBA Condition: E present before A ("1" yes, "0" no, "dc" don't care)
REC Outcome : union recognition ("1" yes, "0" no)
}source
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