Assorted links
1. Do female members of Congress work harder than the men?
2. Via Craig Newmark, data on the Duke economics Ph.d. students.
4. Centralized institutions and sudden change, a new paper.
5. A new Peter Chang sighting.
6. The Economist reviews TGS. (I am pleased that TGS made the NYT bestseller list for eBooks last week at #14; thanks to all of you who bought it and recommended it!)