Earlier quoted context omitted.
I recall a story (that I'll probably recount incorrectly) about a daycare business deciding that too many parents were arriving late to pick up their children (meaning that staff had to stay late with the kids), so they instituted a fine for late pickups. The result was that more parents were late. The reason being that the parents effectively considered the fine a "late pickup fee", and one they were more than willi…
It's in the book Freakonomics, when talking about economic, social, and moral incentives. The day care changed what was a social incentive for an economic one, and then couldn't reverse the consequences: Not fining the parents anymore didn't reduce the number of late ones to previous levels.
[1] https://www.npr.org/2008/03/31/89233955/dan-ariely-takes-on-...