Assorted links

1. Via Chris F. Masse, how large is the Chinese art market really?

2. The economics of HBO, and conditioning on a collider.

3. Good analysis of Spanish debt restructuring; “Should there be some form of Spanish sovereign bond restructuring, the amounts required to recapitalize the banks would be astronomical.”

4. Is the multi-year, multi-volume biography dead?

5. Banana battles, and how is America’s helium crisis developing?