Sunday assorted links by Tyler Cowen January 21, 2018 at 2:21 am 1. Allison Schraeger on the economics of the art market. 2. How the University of Texas system spends its oil fund endowment. 3. The Economist on how Argentina’s reforms are going. 4. Carolyn Johnson at Wonkblog on why the price of insulin keeps rising. 5. NFL players do indeed perform for pay. 6. Ross Douthat on The Show So Far (NYT).