' Homework Nine You should find in the homework that a monopoly can increase their profit by price discriminating. Actually, the firm doesn't have to be a monopoly to price discriminate, they only need to have some market power (some ability to set their own price instead of being a 'price taker' like the firms in a perfectly competitive market). Why don't all firms with market power price discriminate? Give an example of something that would prevent them from doing so