Tuesday assorted links by Tyler Cowen July 4, 2017 at 12:22 pm 1. Photo of a Chinese bicycle graveyard. 2. The anatomy of a math discovery. 3. This link will make you learn which headlines are shared the most. 4. Jay-Z in the tradition of black capitalism. 5. Excellent Keith Bradsher NYT piece on whether Hong Kong is in decline, and YCombinator comment thread on that. 6. The political power of dentists.