which was a fundamental element of supply-side economics?
Making the world better, one answer at a time. A fundamental element of supply-side (or Voodoo) economics is the so-called trickle-down effect. It is said that if the richest people get more, their overrun of resources will make everyone richer. A fundamental element of supply-side (or Voodoo) economics is the so-called trickle-down effect. It is said that if the richest people get more, their overrun of resources will make everyone richer.