Private cryptocurrencies allow for payments without the need for a financial institution. These institutions, the central bank and retail banks, may thus observe a decline in the demand for their payments systems, i.e. cash and deposits. Using the monetary search model of Lagos and Wright...

In the context of recent developments with cryptocurrencies, as well as the potential rise of central bank digital currencies, we present a new visualisation of money. Using three novel figures, we distinguish between the relevant mechanisms, technologies, recordkeeping, and transactions of...

We discuss the idea of a purely algorithmic universal world iCurrency set forth in: "https://ssrn.com/abstract=2542541" https://ssrn.com/abstract=2542541 and expanded in: "https://ssrn.com/abstract=3059330" https://ssrn.com/abstract=3059330 in light of recent developments, including Libra. Is...

Although there are currently four retail central bank digital currencies in circulation, no central bank has yet issued the wholesale form of a central bank digital currency. There are good reasons to do so, however, and central banks have already conducted projects in this area. A wholesale...

We analyze policy in a two-tiered monetary system. Noncompetitive banks issue deposits while the central bank issues reserves and a retail CBDC. Monies differ with respect to operating costs and liquidity. We map the framework into a baseline business cycle model with “pseudo wedges” and...

We analyze policy in a two-tiered monetary system. Noncompetitive banks issue deposits while the central bank issues reserves and a retail CBDC. Monies differ with respect to operating costs and liquidity. We map the framework into a baseline business cycle model with "pseudo wedges" and derive...

We analyze policy in a two-tiered monetary system. Noncompetitive banks issue deposits while the central bank issues reserves and a retail CBDC. Monies differ with respect to operating costs and liquidity. We map the framework into a baseline business cycle model with "pseudo wedges" and derive...

Due to technological change and the rise of private digital currencies more and more central banks investigate the possibility of issuing their own Central Bank Digital Currency (CBDC). This paper develops a conceptual framework, which shows how the issuance of CBDC and the provision of access...

Can introducing Central Bank Digital Currency (CBDC) improve social welfare? We construct a dual currency model to study whether introducing CBDC with a record- keeping technology can reduce tax evasion incentives, and further achieve a better al- location than in a cash-only economy. In our...

Central bank digital currencies (CBDCs) promise to provide cash-like safety and convenience for peer-to-peer payments. To do so, they must be resilient and accessible. They should also safeguard the user's privacy, while allowing for effective law enforcement. Different technical designs satisfy...