Assorted links by Tyler Cowen July 12, 2011 at 12:49 pm 1. Build smaller prisons? 2. 30 years of innovation. 3. BdL: discount rate changes simply aren’t that powerful. 4. The rosy scenario for public works projects, by Virginia Postrel. 5. No markets in everything, Harry Potter edition. 6. How did Prohibition affect homicide rates? 7. The no-nonsense Thai approach to kicking addiction.