@rbreich: The economist John Kenneth Galbraith noted that "trickle-down economics" had been tried before in the United States in the 1890s under the name "horse-and-sparrow theory", writing:

Mr. David Stockman has said that supply-side economics was merely a cover for the trickle-down approach to economic policy—what an older and less elegant generation called the horse-and-sparrow theory: "If you feed the horse enough oats, some will pass through to the road for the sparrows."