Does Saving Cause Borrowing?

Paolina C. Medina and Michaela Pagel

No 28956, NBER Working Papers from National Bureau of Economic Research, Inc

Abstract: We analyze an experiment involving 3.1 million bank customers who were encouraged to save through SMS messages. We first theoretically show that by examining their spending, saving, and borrowing responses we can distinguish between the leading explanations for coholding liquid savings and credit card debt. Using a machine learning algorithm, we then predict individual-level treatment effects and find that the most responsive individuals reduce spending and increase their savings by 5.1% (225 USD PPP per month), while their credit card debt remains unchanged. We argue that these joint findings suggest people co-hold because they mentally separate savings and debt accounts

JEL-codes: D14 G5 (search for similar items in EconPapers)
Date: 2021-06
New Economics Papers: this item is included in nep-big, nep-cwa and nep-exp
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