

Keynesian economics is an economic theory that emphasises the role of government intervention and aggregate demand management in stabilising economic cycles and promoting growth.
Keynesian economics emerged in response to economic downturns where market forces alone failed to restore stability.
It argues that insufficient demand can lead to prolonged unemployment and underutilised resources.
Government spending and policy action are seen as tools to stimulate demand during slowdowns.
Key ideas include:
These principles form the foundation of Keynesian thought.