Sunday assorted links

1. Economic development as reflected in the emotions expressed in paintings, as measured by AI.

2. The only thing keeping South Africa from collapse is its private sector (Bloomberg).

3. The making of Yunnan.

4. Good Anna Gát review of Oppenheimer.  And good Henry Oliver review.

5. Sri Lanka update.

6. How well do some commonly-recognized happiness strategies work?  Recommended, both the thread and the paper.