Assorted links

1. Via Chris F. Masse, robot stand-ins for professors.

2. Is the falling U.S. birth rate a temporary or permanent demographic shift?

3. Response to Orszag on competitive Medicare bidding.

4. Keeping Indian roots music alive.

5. The Chinese electricity numbers are scary.

6. “The fact that I don’t hear more people delivering the same clear message suggests to me that we don’t have enough objective observers.”  Link here, that is James Hamilton, “Federal Receipts and Expenditures.”

7. The past essays of the already-missed Arnold Kling.