The top 100 users in total downvotes received.
Q&A for those who study, teach, research and apply economics and econometrics
select top 100 C.id as [User Link], sum(D.downvotes) as downvotes from Users as C inner join ( select A.id as postId, A.ownerUserId as userId, B.downvotes from Posts as A inner join ( select postId, count(*) as downvotes from Votes where voteTypeId = 3 group by postId ) as B on A.id = B.postId ) as D on C.id = D.userId group by C.id order by downvotes desc