I’ve written a couple of posts over the months drawing on work by Waikato economics professor John Gibson. Back in April there was this post, and then last month I wrote about an empirical piece Gibson had done using US county-level data suggesting that government-imposed restrictions in response to Covid may have made little consistent contribution to reducing death rates (in turn consistent with evidence suggesting that much of the decline in social contact, and economic activity, was happening anyway, in advance of government restrictions).
Fascinating as I found that paper, I was never entirely convinced how far the point would generalise, It seemed implausible, for example, that government restrictions and “lockdowns” would never make much difference – even if, in practice, the particular ones used in US counties might, on average, not have. After all, at the extreme, if a population (wrongly) regarded the threat from a particular…
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