Assorted links by Tyler Cowen January 16, 2012 at 12:18 pm 1. Jeffrey Sachs on libertarianism. 2. Art Carden’s philosophy of teaching. 3. Is Google giving up on search? 4. Profile on Donald Shoup on parking. 5. What kind of innovation is coming to cars and should we be impressed? 6. Is the open-plan office a good idea?