Assorted links

1. Valentine homage to Romer, and a continuous time approach (is it?), and PubMed research papers related to Valentine's Day.   Here are data on spending.  Here is a Chris Coyne video on the economics of Valentine's Day; it is a non-Hansonian, non-Keynesian, Treasury view of the day, he is not impressed by a one-time increase in monetary velocity.

3. What science looks like.

4. Peter Conti-Brown on elective shareholder liability.

5. Flying-Bridge Motorhome.

5. Richard Thaler defends fun.