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Xie, Runli
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Beiträge zur Jahrestagung des Vereins für Socialpolitik 2010: Ökonomie der Familie - Session: Distribution and Redistribution F14-V2
This paper studies the structure and dynamics of consumption and consumption growth inequality. The theoretical framework is a heterogeneous agent model with stochastic labor endowments, where the group mean consumption serves as consumption externality. The main finding is that households' preferences affect the within-group inequality through asset holding decisions: it decreases with groups' degree of patience, and increases with households' eagerness to keep up with the group average. The relationship between the group average consumption growth and within-group inequality predicted by the model is shown as slightly positive yet significant in a synthesis study combining the German Socio-Economic Panel (GSOEP) and the Einkommens- und Verbrauchsstichprobe (EVS). Age and household size are crucial for within-group inequality, as young and/or small households are more sensitive to income and consumption shocks. Large and well-educated households with unskilled jobs have undergone surprisingly inferior performance in consumption growth and growth variance. Moreover, the data also shows increases of within-group inequality directly after the reunification and the introduction of the euro.
consumption inequality
consumption growth
German Socio-Economic Panel
Document Type: 
Conference Paper

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