Electric grid are excellent example of natural monopoly. "An industry is a natural monopoly if a single firm can supply the entire market at a lower long-run a

Electric grid are excellent example of natural monopoly. "An industry is a natural monopoly if a single firm can supply the entire market at a lower long-run average cost than if multiple firms were to operate within it." https://en.wikipedia.org/wiki/Natural_monopoly https://en.wikipedia.org/wiki/Natural_monopoly