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The Trickling Up of Excess Savings

We provide a simple framework connecting the distribution of excess savings across households to the dynamics of aggregate demand. Deficit-financed fiscal transfers generate excess savings. The poorest households with the highest MPCs spend down their excess savings the fastest, increasing other households’ incomes and their excess savings. This leads to a longlasting increase in aggregate demand until, ultimately, excess savings have “trickled up” to the richest savers with the lowest MPCs, raising wealth inequality.

Adrien Auclert
Matthew Rognlie
Ludwig Straub
Publication Date
January, 2023