Originally Posted by Unregistered

1) If HODs really want to stay in their school, they'll need to either step down or switch to teaching track (or… well, be old).

2) If they choose to retain their HOD appointment and switch school, they'll be forced to work and show their worth in the new environment. For those who aren't able to do so, a number will end up choosing to step down.

Overall, even if it doesn't solve 100% of the 'problem' you have outlined, it's quite likely to reduce it… no?