interpretation, testing, problems. ch7&8
application of regression: Bronnenberg, Dube, Gentzkow and Shapiro, 2015: Do pharmacists buy Bayer? Informed shoppers and the brand premium. Quarterly Journal of Economics, 1669-1726.
experiments & problems with observational data. ch13.1, 13.2 and 6.1
instrumental variables. ch12
IV c'ed. The lecture slides are together with those of the previous lecture.