Which was a fundamental element of supply-side economics?

A. corporate tax hikes

B. marginal tax cuts

C. economic regulation

D. wage increases

A fundamental element of supply-side economics is marginal tax cuts.

Explanation:

Supply side economics endorses, increased production as the driving force behind economic growth. That is influenced by several factors such as Capital, Labour, Entrepreneurship and land. The Fiscal policy of supply side focuses more on creating a better environment for all kind of businesses. Its tools are deregulation and tax cuts. Accordingly the companies that are benefited by the policies are able to hire more workers, which results in the creation of more jobs thereby boosting the economy.