I’m guessing that reciprocity is more likely to work locally. If nothing else, it is spread across a smaller population.
(I should add: Locality isn’t cleanly orthogonal to visibility as a criterion. I’d guess that they have a considerable correlation.)
I’m guessing that reciprocity is more likely to work locally. If nothing else, it is spread across a smaller population. (I should add: Locality isn’t cleanly orthogonal to visibility as a criterion. I’d guess that they have a considerable correlation.)