Published Review of Economic Studies Online 18 Feb 2026 Published Sep 2026Latent Heterogeneity in the Marginal Propensity to ConsumeDaniel Lewis · Davide Melcangi · Laura PilossophLewis, Melcangi, and Pilossoph estimate the unconditional distribution of the marginal propensity to consume (MPC) using the 2008 Economic Stimulus Act (ESA) rebate payments, deploying Gaussian …