As has been pointed out, coins were "accepted" elsewhere once notes were withdrawn. Looking at the title provides clue to human behavior: then there is no nee

As has been pointed out, coins were "accepted" elsewhere once notes were withdrawn. Looking at the title provides clue to human behavior: then there is no need to ask "why do people resist accepting what they hate." Simple principles of shaping behavior suggest one simple principle: reinforcement: offer discount for using coins (i.e., $1.01 of merchandise for a $1 coin) or transaction penalty for paying with notes.