Assorted links by Tyler Cowen June 12, 2011 at 6:17 pm 1. Did IP eat my TFP? 2. Health care in twenty years’ time? Forty? 3. Useful history of the debt ceiling (pdf); it started during WWI. 4. Paul Romer’s charter city TEDtalk. 5. New Larry Summers column at the FT, seems it will be regular.