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...

This study investigates the welfare effects of business cycle fluctuations from distributional perspectives. To this end, we develop a quantitative heterogeneous-agent model which incorporates market incompleteness and non-convexity into the mapping from the time devoted to work to labor...