If the marginal propensity to save (MPS) increases, the multiplier Naim 12:07 Economics Chapter 12 If the marginal propensity to save (MPS) increases, the multiplier A) decreases. B) increases. C) stays the same. D) can either increase or decrease, depending on what happens to the marginal propensity to consume (MPC). Answer: A Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+