- Mostly Harmless Econometrics, a new book by Joshua Angrist and Jörn-Steffen Pischke gets reviewed by statistician Andrew Gelman. There is also a review of Gelman's review, and a reaction to that review by Gelman.
- A guide to regression discontinuity by David Lee and Thomas Lemieux.
- The end of the Lott vs. Levitt defamation case (see Empirical Legal Studies).
- "Comparing IV with Structural Models: What Simple IV Can and Cannot Identify," by James Heckman and Sergio Urzua. The abstract (NBER):
This paper compares the economic questions addressed by instrumental variables estimators with those addressed by structural approaches. We discuss Marschak's Maxim: estimators should be selected on the basis of their ability to answer well-posed economic problems with minimal assumptions. A key identifying assumption that allows structural methods to be more informative than IV can be tested with data and does not have to be imposed.
Thursday, February 19, 2009
Assorted Links: Methodology
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