Economic Definition of natural monopoly. Defined.
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Term natural monopoly Definition: A special type of monopoly that's able to lower its price when it produces and sells a larger quantity. This somewhat remarkable ability results because a natural monopoly uses a great deal of capital. In that capital carries an up front cost that must be paid regardless of production, a natural monopoly can spread these costs over larger quantity--if it produces more. The larger the quantity sold, the lower the cost for each unit. A single natural monopoly is thus able to produce and supply a good at a lower cost, and price, than two or more firms. In other words, if two or more firms try to supply the same good, the market will "naturally" end up with just one.