Main Page | See live article | Alphabetical index In economics, a resources monopoly arises because one firm owns all of the resources neccasary to produce the good or service. An example of a resource monopoly is De Beers, a diamond mining company. De Beers owns the mines where diamonds are found. By controlling this resource, De Beers is able to gain monopoly powers. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.