Answer:
An increase in gevernment spending of $100 billion will generate $400 billion more real national income.
Step-by-step explanation:
the multiplier = 1/(marginal propensity) = 1/(0.25) = 4
increase in real national income = $100 billionĂ—4
= $400 billion
Therefore, An increase in gevernment spending of $100 billion will generate $400 billion more real national income.