1. The economics of Substack and Ghost (NYT).
4. “Now, great economists often change their views over time, as they should when new information arrives. Mundell, however, changed his whole intellectual style; if you were to read his Nobel lecture without knowing who wrote it, you might never have guessed that it was the same man who devised those crisp little models several decades earlier.” Paul Krugman on Mundell.
5. Antibodies through injection, seems to work.