Assorted links by Tyler Cowen October 4, 2013 at 11:45 am in 1. Lots of links on quantum field theory and string theory. 2. An older piece on the wisdom of earmarks, more relevant than ever. 3. The Karachi stock exchange is up 44 percent this year. 4. Scott Sumner on Chinese ghost cities. 5. How much peer review is there at open access journals? And the supply chain for dog in Vietnam. 6. David Wilezol on *Average is Over*. 7. The Blizzident (there is no great stagnation).