As the marginal propensity to consume (MPC) increases, the multiplier remains the same. increases. decreases. As the marginal propensity to save (MPS) increases, the multiplier decreases. increases. remains the same. If the marginal propensity to consume is 0.30, what is the multiplier, assuming there are no taxes or imports? Round to the tenths place. Given the multiplier that you calculated, by how much will gross domestic product (GDP) increase when there is a $1,000 increase in government spending? $