ArchiveOctober 2013

Making my code public

My New Year’s resolution for 2014 is to publicly post all of my Stata code for my projects. Why? This will force me to be more careful with my code, even though I am already somewhat anal when it comes to my code.

Replication of research: more bad news

The amount of evidence demonstrating that most published empirical studies are crap seems to be increasing. See, for example, this article from the Economist.
This is a great piece on how a student debunked a psychology study by some big guns in his field. Title: Nick Brown Smelled Bull. Funny, I smell that a lot when I read the higher ed journals.

Causal inference and prestige

In class this week, I mentioned that among researchers there is an implicit prestige hierarchy of analytical techniques, in this order: Random assignment of treatment Regression discontinuity Difference-in-difference (with a change in treatment that is clearly exogenous) Fixed effects panel models and instrumental variables Matching OLS, HLM, logistic regression, etc.(any version of the general...

About me


Professor and quant guy. Libertarian turned populist Republican. Trying to learn Japanese and play Spanish Baroque music on the ukulele.

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