Saturday assorted links
1. Smart people usually look smart.
2. 1991 NYT profile of Krugman, Summers, and Sachs.
3. Is Yunnan cuisine about to sweep the U.S.?
4. There is a tendency toward excessive entry in homogeneous product markets (pdf). If that link doesn’t work for you, google “free entry mankiw whinston.” And Growth Econ blog on mark-ups.
5. NBA players and start-up equity. And the network behind Twitter.