When an economy is operating well below its full-employment capacity and the marginal propensity to consume is 0.75, a $10 billion increase in investment spending will cause the equilibrium output to rise by:

A. $5 billion.
B. $10 billion.
C. $20 billion.
D. $40 billion.

Answer: D

Economics

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The economy is in long-run equilibrium when there is a correctly anticipated increase in aggregate demand. According to new classical theory, the price level will __________ and Real GDP will __________

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