Changes

A natural monopoly is a firm that enjoys increasing [[economies of scale]], so much so that it can supply the entire market more cheaply as one massive firm than if there were two or more firms.  Examples of natural monopolies include gas or electric companies, cable companies and railroads.

A natural monopoly is a firm that enjoys increasing [[economies of scale]], so much so that it can supply the entire market more cheaply as one massive firm than if there were two or more firms.  Examples of natural monopolies include gas or electric companies, cable companies and railroads.