The multiplier can be defined as the number of times national income or output wIll expand as a result of an initial injection of autonomous expenditure.
When there is plenty of excess capacity or idle unemployed resources, government should increase injection to create multiplier effects to help the economy recover, produce more output, and create jobs for the unemployed.
When there is plenty of excess capacity or idle unemployed resources, government should increase injection to create multiplier effects to help the economy recover, produce more output, and create jobs for the unemployed.