Also, there is this case of a daycare center which started to collect fines for late child pickups. The result? The rate of late pickups increased. Picking the child late stopped being a shameful thing to do, causing the poor worker to wait for you, it started being a normal paid service you could use every time you wanted.
https://freakonomics.com/2013/10/23/what-makes-people-do-wha...
Even more interesting, and relevant to this discussion, was that the rate didn't decrease again (within the measured time frame) after the fine was removed again! (from the paper linked in your article)
