Friday assorted Bitcoin and fertility links by Tyler Cowen December 1, 2017 at 11:53 am in 1. Kaminska on Bitcoin futures. And John Cochrane and Bitcoin. 2. I mostly don’t agree, but a critique of Moretti and Hsieh on the costs of building restrictions. 3. U.S. fertility continues to fall. 4. The complicated legacy of a panda who was really good at sex. 5. The Darwinian survival of homosexuality. 6. Do tax credits boost fertility? 7. High probability of dried-up oceans.