It is alive and well under the title "supply-side economics" https://en.wikipedia.org/wiki/Supply-side_economics#Trump_years https://en.wikipedia.org/wiki/Suppl

It is alive and well under the title "supply-side economics" https://en.wikipedia.org/wiki/Supply-side_economics#Trump_years https://en.wikipedia.org/wiki/Supply-side_economics#Trump_ye...