Wednesday assorted links by Tyler Cowen May 25, 2016 at 11:51 am 1. Is currency duopoly coming to Libya? 2. Extracting sperm from dead men. And Walt Whitman advertising markets in everything. 3. How many young British men feel masculine? 4. New economics books for the fall, including Rogoff and Mokyr. 5. Which is the correct way to measure fertility? 6. Don’t forget the East China Sea. And what just happened in the new Greek deal?