I like to think of local restrictions in terms of hotspotting, a term from firefighting. Idea is to identify parts that are particularly dangerous or conducive to additional spread and dealing with those first.
https://twitter.com/t0nyyates/status/1314870480072060943
But one should not lose sight of the overall fire. We cannot do each local part without an eye to the whole. The big difference is of course that local measures have differential impact on incomes and a global public good is being provided.
This means that we need to compensate for that public good provision. It’s not charity.
But there should also be local incentives to avoid flare ups.
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