Assertion: monopoly | /r/AtLocation | particular industry
Facets:
Source sentences:
text: Monopolies may exist in a particular industry if a company controls a major natural resource, produces (even at a reasonable price) all of the output of a product or service because of technological superiority (called a natural monopoly), holds a patent on a product or process of production, or is otherwise granted government permission to be the sole producer of a product or service in a given area.