depends on what the fine is for. I'd guess most parking fines are simply for parking in legal paid parking without actually paying. in this case the purpose of

depends on what the fine is for. I'd guess most parking fines are simply for parking in legal paid parking without actually paying. in this case the purpose of the fine is the same as the fee itself: to increase the availability of parking. I don't see any reason to scale the fine here unless you just hate rich people. in more serious cases (eg, blocking a fire hydrant or alley) simply towing the vehicle seems like penalty enough.