f income than other households, and they're currently holding a bigger slice of the economic pie. Research by economists Atif Mian, Kamalesh Rao, and Amir Sufi backed that up, finding the MPC for households with an average annual income of less than $35,000 to be three times larger than the MPC for household

ant to the economy. When values go up, consumers spend more, in part because they can borrow against the rising value of their property. Economists Amir Sufi and Atif Mian calculate, for instance, that homeowners stripped $1.25 trillion out of their houses during the bubble. But when prices fall, families