Biden attempts to consign trickle-down economics to the dustbin of history | US economy | The Guardian
https://www.theguardian.com/business/2021/apr/29/biden-trickle-down-economics-us-presidentKansas ‘Real Live Experiment’ in Trickle-Down Tax Cuts - Center for American Progress
https://www.americanprogress.org/article/kansas-real-live-experiment-trickle-tax-cuts/Liz Truss says it is fair to prioritise tax cuts that benefit high earners more | Liz Truss | The Guardian
https://www.theguardian.com/politics/2022/sep/04/liz-truss-energy-prices-action-planTrickle-down economics - Wikipedia
https://en.wikipedia.org/wiki/Trickle-down_economics