Assorted links by Tyler Cowen December 11, 2012 at 10:45 am 1. Division of labor is limited by the extent of the market, impala and Oxpeckers edition. 2. Paper towels vs. air dryers. 3. The switch to capitalism was not the main cause of Russia’s mortality crisis. 4. On-line medical consultation. 5. How to escape from North Korea and why you should.