Thursday assorted links by Tyler Cowen September 3, 2015 at 12:38 pm in 1. What Tobin really thought. 2. Is most of the world’s biodiversity underground? Paper is here. 3. And you thought gdp revisions were tough. At least this one was in the upward direction. By a lot. 4. Preschool for robots. And “The Cotsbot robot, which has a vision system, is designed to seek out starfish and give them a lethal injection.” 5. Bill Easterly’s development economics reading list (pdf). 6. Is Singapore the future of language? 7. Is a private blockchain just a database?