Since the 1930s, the Keynesian school of economic thought has had more than enough time to prove itself as a failure.
Adam Smith's "The Wealth of Nations" in 1776 is usually considered to mark the beginning of classical economics. The school of classical economics states that free markets regulate themselves, when free of any intervention. Adam Smith referred to this a so called invisible hand, which will move markets towards their natural equilibrium, without requiring any outside intervention.
The voluntary self-interest of millions of individuals creates a stable, prosperous society without the need for central direction by the state.
It is time for Liberty. The State needs to take a laissez-faire approach to economic policy.
"Life, Liberty and the pursuit of Happiness"