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Can mobile-linked bank accounts bolster savings? Evidence from a randomized controlled trial in Sri Lanka

Abstract:
We introduce a new mobile money interface that permits Sri Lankans to deposit mobile airtime balances directly into a formal bank account. Randomizing access and prices, we find a small increase in savings deposits with the partner institution and formal banks more generally, but no change in overall savings. When the deposit transaction costs are completely removed, only 26% use the mobile deposit service and only 7% use it frequently. Our results imply that deposit transaction costs are not a significant barrier to increasing savings, limiting the potential gains of mobile-linked savings products for financial inclusion.
Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1162/rest_a_00956

Authors


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Institution:
University of Oxford
Division:
SSD
Department:
International Development
Role:
Author


Publisher:
Massachusetts Institute of Technology Press
Journal:
Review of Economics and Statistics More from this journal
Volume:
104
Issue:
2
Pages:
306–320
Publication date:
2022-01-03
Acceptance date:
2020-05-26
DOI:
EISSN:
1530-9142
ISSN:
0034-6535


Language:
English
Keywords:
Pubs id:
1114482
Local pid:
pubs:1114482
Deposit date:
2020-06-24

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