Assorted links by Tyler Cowen June 9, 2013 at 3:39 pm 1. Japanese Excel spreadsheet artist. 2. How quickly are plastic 3-D printed pistols spreading? 3. Outcomes of medical emergencies on commercial airline flights. 4. It seems that more people are renting tires, at net price 3x-4x retail. Think of it as “first world microcredit.” 5. Controversies over weight and life expectancy. 6. Very good review of the new George Packer book.