| | Monopoly - Facts, Information, and Encyclopedia Reference article |
 | | Natural monopoly arises when there are large capital costs relative to variable costs, which arises typically in network industries such as electricity and water. |
 | | Counter-intuitively, the case of a monopolization of a key source of a natural resource is not considered a natural monopoly, because it is based on the running down of natural capital rather than the amortization of an investment in physical or human capital. |
 | | A local monopoly is a monopoly of a market in a particular area, usually a town or even a smaller locality: the term is used to differentiate a monopoly that is geographically limited within a country, as the default assumption is that a monopoly covers the entire industry in a given country. |
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