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Report
Can Redemption Fees Prevent Runs on Funds?
We ask whether imposing fees on redeeming investors can prevent runs on money market mutual funds (MMFs) and related intermediation arrangements. We first show that imposing a fee only in extraordinary times often leaves the fund susceptible to a preemptive run where investors rush to redeem before the fee applies. We then show how a policy that imposes a fee when current redemption demand is above a threshold, even in normal times, can make the fund run proof. We characterize the best policy of this type, which is immune to a run of any size. We show that the reform adopted in the U.S. in ...
Report
Stablecoins vs. Tokenized Deposits: The Narrow Banking Debate Revisited
We study how the type of money used in blockchain-based trade affects interest rates, investment, and welfare. Stablecoins in our model are backed by safe assets, while banks issue deposits (both traditional and tokenized) to fund a portfolio of safe and risky assets. Deposit insurance creates a risk-shifting incentive for banks, and regulation increases banks’ costs. If regulatory costs are large and risk-shifting is limited, we show that allowing only tokenized deposits to be used in crypto trade raises welfare by expanding bank credit. If regulation is lighter and the risk-shifting ...