IE:DPC, Ch04: Correlation Does Not Imply Causation
Channel: David Kaplan
Date: 2020-07-01

Correlation does not imply causation.  (Or: non-zero mean difference does not imply one particular causal relationship.)
Textbook (IE:DPC) "Introductory Econometrics: Description, Prediction, and Causality"
https://kaplandm.github.io/teach.html#IEDPC