The concept dates back to at least the 1890s ("horse-and-sparrow theory"): * https://en.wikipedia.org/wiki/Trickle-down_economics#History https://en.wikipedia.

The concept dates back to at least the 1890s ("horse-and-sparrow theory"): * https://en.wikipedia.org/wiki/Trickle-down_economics#History https://en.wikipedia.org/wiki/Trickle-down_economics#History Some call "supply-side" economics just a relabelling of trickle-down: * https://en.wikipedia.org/wiki/Supply-side_economics#Criticism https://en.wikipedia.org/wiki/Supply-side_economics#Criticis...