Thursday assorted links
1. Paul Krugman on Puerto Rico.
2. Dan Klein interviews Arthur Melzer on esoteric writing.
3. Lyft vs. Uber.
4. Trade between guards and prisoners.
5. The world’s tallest cow dies after a lifetime of Photoshop accusations (recommended).
6. Economic growth in ancient Greece. The truth about modern Greece. And here is the truth about Syriza.