Exactly. There's no incentive to pass efficiency savings on to consumers vs just making more profit. Also, the types of efficiency savings that may be made by

Exactly. There's no incentive to pass efficiency savings on to consumers vs just making more profit. Also, the types of efficiency savings that may be made by monopolies can be fragile. For example, implementing a standard component from one vendor across an entire industry renders that industry more vulnerable to bugs or faults on the component or the vendor going bankrupt.