(number of cites) / (number of pubs * number of coauthors) has been known for a long time to the best tenure/review committees. Second tier doesn't use it, th

(number of cites) / (number of pubs * number of coauthors) has been known for a long time to the best tenure/review committees. Second tier doesn't use it, the politics should make it obvious why. And the gov't grant machine doesn't use it, for different kinds of political reasons.