The Basic explanation of Difference in Difference (Diff in Diff, DD, DID)

Difference in differences is a qausi experimental technique use to study the impact of a treatment on the treated group. We take data of both the treatment group and the control group. We also discuss the parallel trend assumption also called common trend assumption. Lastly we talk about the tripple difference in difference (diff in diff in diff DDD). The following link contains the files used in this video https://payhip.com/b/XL9Mt Website: thedatahall.com As an Amazon Associate, I earn from qualifying purchases.