Keynesian cross

Keynesian cross is a simple model of income determination, based on the ideas in Keynes's General Theory, which shows how changes in spending can have a multiplied effect on aggregate income.

Definition

According to Macroeconomics by Mankiw (7th edition),

Keynesian cross. A simple model of income determination, based on the ideas in Keynes's General Theory, which shows how changes in spending can have a multiplied effect on aggregate income.