Assume that a hypothetical economy with an mpc of 0.75 is experiencing severe recession. by how much would government spending have to rise to shift the aggregate demand curve rightward by $40 billion

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Joseph Franco

Business

3 June, 14:11

Assume that a hypothetical economy with an mpc of 0.75 is experiencing severe recession. by how much would government spending have to rise to shift the aggregate demand curve rightward by $40 billion

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Zhang · Answer 1

When finance people talk about MPC, they refer to the Marginal Propensity to Consume. This is the ratio of the change in consumption to the change in income. When you plot income against consumption or spending, the slope is the MPC. In equation, it is:

MPC = ΔConsumption/ΔIncome

In this problem, MPC is 0.75 and ΔIncome is $40 billion. Therefore,

0.75 = ΔConsumption/$40 billion

ΔConsumption = $30 billion

Thus, the rise in government spending should be by $30 billion in order to achieve a MPC of 0.75.