This video provides an introduction of instrumental variables estimation, via the example of Angrists (1990) study of Vietnam War veterans. A great discussion of IV estimators is provided in the book, "Harmless Econometrics", with a shorter discussion available here: 4. http://homepage.ntu.edu.tw/~econman/camp/josh2.pdf Check out https://ben-lambert.com/econometrics-course-problem-sets-and-data/ for course materials, and information regarding updates on each of the courses. Quite excitingly (for me at least), I am about to publish a whole series of new videos on Bayesian statistics on youtube. See here for information: https://ben-lambert.com/bayesian/ Accompanying this series, there will be a book: https://www.amazon.co.uk/gp/product/1473916364/ref=pe_3140701_247401851_em_1p_0_ti