A de facto monopoly is a monopoly that was not created by government. It is most often used in contrast to de jure monopoly, which is one that is protected from competition by government action.
In a free market without government intervention this kind of monopoly is theoretically unobtainable for any extended amount of time. A de facto monopoly is only able to be achieved by providing a far demanded product at all times compared to the competition, and even then there would not be a 100% market share.
Famous quotes containing the words facto and/or monopoly:
“I incline to think that the people will not now sustain the policy of upholding a State Government against a rival government, by the use of the forces of the United States. If this leads to the overthrow of the de jure government in a State, the de facto government must be recognized.”
—Rutherford Birchard Hayes (18221893)
“United Fruit... United Thieves Company... its a monopoly ... if you wont take their prices they let your limes rot on the wharf; its a monopoly. You boys are working for a bunch of thieves, but I know it aint your fault.”
—John Dos Passos (18961970)