We develop a dynamic model of DeFi lending that incorporates the following key features: 1) borrowing and lending are decentralized, anonymous, overcollaterlized, and backed by the market value of crypto assets where contract terms are pre-specified and rigid; and 2) information friction exists...

We highlight the multiplier role of (public) safe assets by studying a model of a bank’s balance sheet. The bank optimally constructs a portfolio of safe and risky assets and designs its liabilities. Holding costly but adverse-selection-free safe assets multiplies the production of risky...

Decentralized Finance (DeFi) is composed of a variety of heterogeneous sectors that are interconnected through an input-output network of its tokens. We use a panel data set to empricially document the evolution of the DeFi network across its different sectors. We then employ a standard,...

We study a model where a capital provider learns from the price of a firm’s security in deciding how much capital to provide for new investment. This feedback effect from the financial market to the investment decision gives rise to trading frenzies, where speculators all wish to trade like...