経けい済ざい性せい

noun

economy; cost-effectiveness; economic efficiency

Refers to the quality of being economical, especially in terms of saving money or resources. Often used in contexts like product comparisons, energy efficiency, or business decisions.

• この車くるまは燃ねん費ぴが良よく、経けい済ざい性せいに優すぐれている。

  This car has good fuel efficiency and is excellent in terms of economy.

• 新しんシステムの導どう入にゅうで経けい済ざい性せいが大おお幅はばに向こう上じょうした。

  The introduction of the new system greatly improved cost-effectiveness.