When performing difference-in-difference estimation,the treatment group is the group
A)for which the policy shock occurred.
B)for which the policy shock did not occur.
C)of observation in the "before" sample.
D)of observation in the "after" sample.

Question

Quizplus · Accepted Answer

The treatment group is the group for which the policy shock occurred. The difference-in-differences approach compares the change in the outcome variable over time for the treatment group with that of a control group. The treatment group is the group that experienced the policy shock, while the control group did not.

When Performing Difference-In-Difference Estimation,the Treatment Group Is the Group