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Central bank digital currencies are increasingly regarded worldwide as viable means of payment. But how do CBDCs affect welfare when used as stores of value? A recent study investigates the ramifications of CBDCs as public money serving as stores of value, customers’ heterogeneous beliefs about bank stability and how it all impacts banks.
Modeling the Legend, or, the Trouble with Diamond and Dybvig: Part II SHARE [This is the last half of a two-part critique of Douglas Diamond and Philip Dybvig's highly influential paper purporting to show that fractional reserve banking systems are inherently unstable. Part I can be found here. ] Sauce for the Goose… Half a century after the fact, the "aggregate uncertainty" version of the Diamond-Dybvig model appeared at long last to offer solid proof of the inherent instability of ordinary banks, together with an equally solid foundation for government deposit insurance. But no soon...