Jonathan on Instagram: "Where can you actually learn causal inference? Here are my top 3 resources depending on your goals. First, Causal Inference: The Mixtape by Scott Cunningham. Completely free online textbook covering foundational methods like difference-in-differences, regression discontinuity, and instrumental variables. Great if you want the classical approaches with solid intuition. Second, Causal Inference for the Brave and True. Also free and goes beyond the classics into causal machi