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Payments on Digital Platforms: Resiliency, Interoperability and Welfare

Jonathan Chiu () and Tsz-Nga Wong ()

Staff Working Papers from Bank of Canada

Abstract: Digital platforms, such as Alibaba and Amazon, operate an online marketplace to facilitate transactions. This paper studies a platform's business model choice between accepting cash and issuing tokens, as well as the implications for welfare, resiliency, and interoperability. A cash platform free rides on the existing payment infrastructure and profits from collecting transaction fees. A token platform earns seigniorage, albeit bearing the costs of setting up the system and holding reserves to mitigate the cyber risk. Tokens earn consumers a return, insulating transactions from the liquidity costs of using cash, but also expose them to the remaining cyber risk. The platform issues tokens if the interest rate is high, the platform scope is large, and the cyber risk is small. Unbacked floating tokens with zero transaction fees or interest-bearing stablecoins can implement the equilibrium business model, which is not necessarily socially optimal because the platform does not internalize its impacts on off-platform activities. The model explains why Amazon does not issue tokens but Alipay issues tokens circulatable outside its Alibaba platforms. Regulations such as a minimum reserve requirement can reduce welfare.

Keywords: Digital currencies and fintech; Monetary policy; Payment clearing and settlement systems (search for similar items in EconPapers)
JEL-codes: E5 L5 (search for similar items in EconPapers)
Pages: 41 pages
Date: 2021-04
New Economics Papers: this item is included in nep-ban, nep-cba, nep-dge, nep-mac and nep-pay
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Persistent link: https://EconPapers.repec.org/RePEc:bca:bocawp:21-19

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