Assorted links by Tyler Cowen September 25, 2013 at 2:33 pm 1. Tribute to Ravi Ramrattan, development researcher, who was killed in Kenya. 2. Can math predict the rise and fall of empires? (I say no) 3. On Charles Mingus. 4. Should we trust Iran on nuclear weapons? 5. Knausgaard Kickstarter. 6. “Finally, I am not an aesthetic Stalinist.”