It is not uncommon for childhood centres to charge a late fee - e.g., a flat fee of $20 plus $1 per minute thereafter (e.g. $50 if 30 minutes late). What are the pros and cons (costs and benefits) of charging parents or carers a fee if they are late to pick up their children?

Do you think that monetary incentives are always successful in motivating behaviour? What might be some limitations or disadvantages of providing monetary incentives?