正せいの外がい部ぶ性せい

noun

positive externalities

Economics term referring to beneficial effects on third parties not involved in a transaction, such as education or vaccination benefits to society.

• 教きょう育いくは正せいの外がい部ぶ性せいを持もつと経けい済ざい学がくでは考かんがえられている。

  In economics, education is considered to have positive externalities.

• 予よ防ぼう接せっ種しゅの普ふ及きゅうは正せいの外がい部ぶ性せいをもたらす。

  The spread of vaccination brings about positive externalities.