Tsz-Nga Wong - Latest

• Payments on Digital Platforms: Resiliency, Interoperability and Welfare

  Staff Working Paper 2021-19 Jonathan Chiu, Tsz-Nga Wong

  This paper studies the business model choice between running a cash platform and a token platform, as well as its welfare and policy implications.

  Content Type(s): Staff research, Staff working papers Topic(s): Digital currencies and fintech, Monetary policy, Payment clearing and settlement systems JEL Code(s): E, E4, E5, L, L5

• Eggs in One Basket: Security and Convenience of Digital Currencies

  Staff Working Paper 2021-6 Charles M. Kahn, Francisco Rivadeneyra, Tsz-Nga Wong

  Digital currencies store balances in anonymous electronic addresses. This paper analyzes the trade-offs between the safety and convenience of aggregating balances in addresses, electronic wallets and banks.

  Content Type(s): Staff research, Staff working papers Topic(s): Central bank research, Digital currencies and fintech, Financial services, Payment clearing and settlement systems JEL Code(s): E, E4, E42, E5, E51, E58

• Should the Central Bank Issue E-money?

  Staff Working Paper 2018-58 Charles M. Kahn, Francisco Rivadeneyra, Tsz-Nga Wong

  Should a central bank take over the provision of e-money, a circulable electronic liability? We discuss how e-money technology changes the tradeoff between public and private provision, and the tradeoff between e-money and a central bank's existing liabilities like bank notes and reserves.

  Content Type(s): Staff research, Staff working papers Topic(s): Bank notes, Digital currencies and fintech, Financial services, Payment clearing and settlement systems JEL Code(s): E, E4, E42, E5, E51, E58

• On the Essentiality of E-Money

  Staff Working Paper 2015-43 Jonathan Chiu, Tsz-Nga Wong

  Recent years have witnessed the advances of e-money systems such as Bitcoin, PayPal and various forms of stored-value cards. This paper adopts a mechanism design approach to identify some essential features of different payment systems that implement and improve the constrained optimal resource allocation.

  Content Type(s): Staff research, Staff working papers Topic(s): Bank notes, Digital currencies and fintech, Payment clearing and settlement systems JEL Code(s): E, E4, E42, E5, E58, L, L5, L51

• E-Money: Efficiency, Stability and Optimal Policy

  Staff Working Paper 2014-16 Jonathan Chiu, Tsz-Nga Wong

  What makes e-money more special than cash? Is the introduction of e-money necessarily welfare enhancing? Is an e-money system necessarily stable? What is the optimal way to design an efficient and stable e-money scheme?

  Content Type(s): Staff research, Staff working papers Topic(s): Bank notes, Digital currencies and fintech, Payment clearing and settlement systems JEL Code(s): E, E4, E42, E5, E58, L, L5, L51

• A Tractable Monetary Model Under General Preferences

  Staff Working Paper 2013-7 Tsz-Nga Wong

  Consider the monetary model of Lagos and Wright (JPE 2005) but with general preferences and general production. I show that preferences satisfying UXXUHH – (UXH)2 = 0 is a sufficient condition for the existence and uniqueness of monetary equilibrium with degenerate money distribution.

  Content Type(s): Staff research, Staff working papers Topic(s): Economic models JEL Code(s): D, D8, D83, E, E4, E40