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Autor:innen: 
Erscheinungsjahr: 
2022
Schriftenreihe/Nr.: 
Beiträge zur Jahrestagung des Vereins für Socialpolitik 2022: Big Data in Economics
Verlag: 
ZBW - Leibniz Information Centre for Economics, Kiel, Hamburg
Zusammenfassung: 
This paper studies how consumers respond to unexpected, transitory income shocks and why. In a randomized control trial, I elicit marginal propensities to consume (MPC) out of different hypothetical income shock scenarios, varying the payment mode, the shock size, and the source of income. The results show respondents exhibit a higher MPC when exposed to a windfall paid out in cash or without any specification of the payment mode, respectively, compared to a windfall deposited in an instant-access savings account, suggesting consumers violate fungibility. Further, the MPC falls with the shock size, whereas it does not vary with the source of income. Using causal machine learningmethods to explore treatment heterogeneity, I find that low liquidity, self-control problems, and a lack of cognitive sophistication contribute to MPC heterogeneity. The results are broadly in line with mental accounting theory.
Schlagwörter: 
Randomized control trial
marginal propensity to consume
fiscal policy
mental accounting
causal forest
JEL: 
C90
D12
D14
D15
D91
Dokumentart: 
Conference Paper

Datei(en):
Datei
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