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臺大管理論叢
第
28
卷第
1
期
Figure 7a Average Media Coverage prior to CSR Award Announcements
Figure 7b Average Media Coverage after CSR Award Announcements
Figure 7 Evolution and t Test of Average Media Coverage
Note: This figure illustrates the average media coverage (
MEDIA
), with Figure 7a (Figure 7b) showing
the average
Media
for the 150 trading days prior to (after) CSR award announcements to
(from) the event date, respectively calculated by Equations (6) and (7). CSR1 refers to the
average media coverage for CSR winners; CSR0 refers to the average media coverage for
non-CSR firms. The t value is a sample t test of CSR1 and CSR0.
MEDIA
MEDIA