Trickle-down economics is an economic theory: if you tax less the businesses and the wealthy, then that should make it easier for them to invest and create businesses. This will help them but also help those poorer or less rich. Hence the "trickle-down" effect from the rich to poor.
- Amadeo, Kimberly (April 29, 2017). "Why Trickle Down Economic Works in Theory But Not in Fact". The Balance.
- Crouse, Eric R. (2013). The Cross and Reaganomics: Conservative Christians Defending Ronald Reagan. Rowman & Littlefield. p. 31.