trickle-down

Describes the indirect benefits for the less well-off that are said to arise from the increasing wealth of the rich.

トリクルダウン経済学

Refers to the economic theory that tax breaks and benefits for corporations and the wealthy will benefit everyone.

企業や富裕層への減税や恩恵が最終的にすべての人に利益をもたらすという経済理論を指します。