We develop a generic model of money and liquidity that identifies sources of liquidity bubbles and seignorage rents. We provide sufficient conditions under which a swap of monies leaves the equilibrium allocation and price system unchanged. We apply the equivalence result to the "Chicago Plan,"...

Die Ankündigung des Social-Media-Giganten Facebook, eine neue »Weltwährung« mit dem Blockchain-basierten Zahlungssystem Libra einführen zu wollen, löste international kontroverse Diskussionen über Vor- und Nachteile von Kryptowährungen aus. Die Reaktionen reichten von Begeisterung über...

We develop a generic model of money and liquidity that identifies sources of liquidity bubbles and seignorage rents. We provide sufficient conditions under which a swap of monies leaves the equilibrium allocation and price system unchanged. We apply the equivalence result to the "Chicago Plan",...

The day after the news of Libra came out, it is said that Ma Huateng said on WeChat: "Libra has no technical problems, the main problem is about regulatory issues." I think this sentence is very simple, but it reflects many of his experiences, and I think it is correct. Many people's analysis of...

Unser Geldsystem ist im Umbruch. Gerade erst hat ein von Facebook gegründetes privates Konsortium den Entwurf einer privaten Weltwährung vorgestellt. Auch China testet zur Zeit eine digitale staatliche Währung, vermutlich mit dem Ziel die Vormachtstellung des amerikanischen Dollars zu...

How well can a cryptocurrency serve as a means of payment? We study the optimal design of cryptocurrencies and assess quantitatively how well such currencies can support bilateral trade. The challenge for cryptocurrencies is to overcome double-spending by relying on competition to update the...

This essay examines in detail the properties of a well functioning monetary system - defined as money plus the mechanisms to execute payments - in both the short and long run, drawing on both theory and the lessons from history. It stresses the importance of trust and of the institutions needed...

Cryptocurrencies promise to replace fiat money with private money underpinned by algorithms, not government guarantees. While the technology is elegant, the success and failure of cryptocurrencies in the competition with fiat will not be determined by technology alone. It is more important to...

This article explores cryptocurrencies and poses the research question, whether cryptocurrencies are the future of the currency market. The cryptocurrency market has undergone considerable growth, however given recent scandals of cryptocurrency markets and cryptocurrencies have led to increasing...

This paper provides a contextual analysis of the adoption of Bitcoin as legal tender in El Salvador. First, we outline the historical context and the political situation of the period 2019- 24 that serve as context for the passage and implementation of the Bitcoin law (Decree No. 57). We...