Assorted links

1. Why so few subsidies for ACA enrollees?

2. Atlantic’s most important economic stories of 2013 in 37 graphs., or try this link here.

3. Taxing athletes when they play in various states.

4. Bloomberg book list.

5. There is water vapor on Europa, Jupiter’s moon.  And would you rather have your nation recognized by the UN…or by Facebook?

6. Gary King on restructuring the social sciences (pdf).

7. Three graphs of Bitcoin.