How well can a cryptocurrency serve as a means of payment? Cryptocurrencies need to overcome double spending by using costly mining and by delaying settlement. We formalize this insight through an incentive constraint that rules out double spending and pins down the welfare costs of a...

We develop a new series of Canadian monetary policy shocks and analyze their impact on inflation and real GDP from 1996-2020. Our shocks are constructed as the daily change in the Nelson-Siegel yield curve factors after a monetary policy announcement. Because these shocks include information...

We develop a dynamic model of decentralized finance (DeFi) lending that incorporates two/these key features: 1) borrowing and lending are decentralized, anonymous, overcollateralized and backed by the market value of crypto assets where contract terms are pre-specified and rigid; and 2)...