If the marginal propensity to consume (MPC) is 0.9, then the multiplier for a change in autonomous spending will be Naim 12:06 Economics Chapter 12 If the marginal propensity to consume (MPC) is 0.9, then the multiplier for a change in autonomous spending will be A) 0.1. B) 9. C) 10. D) 100. Answer: C Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+