Wealth Heterogeneity and the Marginal Propensity to Consume out of Wealth

Bertrand Garbinti, Pierre Lamarche () and Frédérique Savignac
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Pierre Lamarche: CREST - Centre de Recherche en Économie et Statistique - ENSAI - Ecole Nationale de la Statistique et de l'Analyse de l'Information [Bruz] - GENES - Groupe des Écoles Nationales d'Économie et Statistique - X - École polytechnique - IP Paris - Institut Polytechnique de Paris - ENSAE Paris - École Nationale de la Statistique et de l'Administration Économique - GENES - Groupe des Écoles Nationales d'Économie et Statistique - IP Paris - Institut Polytechnique de Paris - CNRS - Centre National de la Recherche Scientifique

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Abstract: We provide detailed estimates of how the marginal propensity to consume out of wealth (MPC) varies along the distribution of household wealth and by asset composition, and analyse the sources of MPC heterogeneity across euro area countries. To do this, we i) build a household-level panel dataset combining wealth and consumption surveys for five European countries, and ii) use instrumented household-level panel regressions. First, we find heterogeneity across the wealth distribution with lower MPCs for high-wealth households. Second, we account for asset composition and show the significant role of housing wealth in all countries. We show that our results are indicative of a collateral channel. Third, cross-country differences in MPCs are mostly explained by country-specific institutional and socio-economic characteristics in Germany (compared to Spain) and by differences in consumption behaviours for Belgium, Cyprus and Italy. We show that MPC heterogeneity is related to homeownership rates, mortgage markets, demographics, and wealth inequality. Finally, we investigate to what extent heterogeneous MPC and wealth inequality affect consumption inequality.

Keywords: consumption; marginal propensity to consume out of wealth; collateral channel; household surveys (search for similar items in EconPapers)
Date: 2025-04-24
Note: View the original document on HAL open archive server: https://hal.science/hal-05045379v1
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Related works:
Working Paper: Wealth Heterogeneity and the Marginal Propensity to Consume out of Wealth (2024)
Working Paper: Wealth Heterogeneity and the Marginal Propensity to Consume out of Wealth (2024)
Working Paper: Wealth Heterogeneity and the Marginal Propensity to Consume out of Wealth (2024)
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