Supply-side economics

Supply-side economics is a school of macroeconomics that argues that economic growth can be most effectively created by lowering barriers for people to produce (supply) goods and services as well as invest in capital. According to supply-side economics, consumers will then benefit from a greater supply of goods and services at lower prices; furthermore, the investment and expansion of businesses will increase the demand for employees. Typical policy recommendations of supply-side economists are lower marginal tax rates and less regulation.

The Laffer curve embodies a tenet of supply side economics: that government tax revenues from a specific tax are the same (nil) at 100% tax rates as at 0% tax rates respectively. The tax rate that achieves optimum, or highest government revenues is somewhere in between these two values.

The term "supply-side economics" was thought, for some time, to have been coined by journalist Jude Wanniski in 1975, but according to Robert D. Atkinson's Supply-Side Follies, the term "supply side" ("supply-side fiscalists") was first used by Herbert Stein, a former economic adviser to President Nixon, in 1976, and only later that year was this term repeated by Jude Wanniski. Its use connotes the ideas of economists Robert Mundell and Arthur Laffer. Supply-side economics is likened by critics to "trickle-down economics."

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