In case you're all "Franken30, you don't know what you're talking about!" here's a 50 year study over 18 countries.
https://www.businessinsider.com/tax-cuts-rich-trickle-down-income-inequality-study-2020-12
TRICKLE-DOWN ECONOMICS, ALSO KNOWN AS TRICKLE-DOWN THEORY OR THE HORSE AND SPARROW THEORY, REFERS TO THE ECONOMIC PROPOSITION THAT TAXES ON BUSINESSES AND THE WEALTHY IN SOCIETY SHOULD BE REDUCED AS A MEANS TO STIMULATE BUSINESS INVESTMENT IN THE SHORT TERM AND BENEFIT SOCIETY AT LARGE IN THE LONG TERM. IN RECENT HISTORY, THE TERM HAS BEEN USED BY CRITICS OF SUPPLY-SIDE ECONOMIC POLICIES, SUCH AS "REAGANOMICS.” BUT LET MY FRIEND FRANK SIMPLIFY IT FOR YOU... TRICKLE DOWN ECONOMICS IS A PYRAMID SCHEME WHERE THE DICKHEADS AT THE BOTTOM DO ALL THE WORK AND GIVE ALL THE MONEY TO THE SMART GUYS AT THE TOP.
