The spread of COVID-19 shows the importance of policy coordination

PNAS – Proceedings of the National Academy of Sciences of the United States of America
http://www.pnas.org/content/early/

 

Articles
The spread of COVID-19 shows the importance of policy coordination
Joshua Graff Zivin and Nicholas Sanders
PNAS first published December 11, 2020.
https://doi.org/10.1073/pnas.2022897117