Empirical studies of the consumption-wealth relationship often assume a framework in which aggregate household spending depends linearly on wealth, the underlying state variable. These studies have given rise to many estimates of the wealth effect. In a general equilibrium setting, however, both...

This paper uses an estimated Heterogeneous Agent New Keynesian (HANK) model to evaluate the quantitative importance of two channels in driving aggre- gate consumption fluctuations in the US: (i) precautionary savings against un- employment risk and (ii) MPC heterogeneity. I find that MPC...