自し然ぜん独どく占せん

noun

natural monopoly

Economic term for a market where a single firm can supply the entire market at a lower cost than multiple firms, often due to high fixed costs or network effects.

• 電でん力りょく会社がいしゃは自し然ぜん独どく占せんの典てん型けい例れいだ。

  Electric power companies are a typical example of a natural monopoly.

• 自し然ぜん独どく占せんの市し場じょうでは、政せい府ふの規き制せいが必ひつ要ようになることが多おおい。

  In natural monopoly markets, government regulation is often necessary.