US money market funds (MMFs) play an important role in short-term markets as large investors of Treasury bills (T-bills) and repurchase agreements (repos) with banks and the Federal Reserve, some of the world’s safest and most liquid assets. We build a theoretical model in which MMFs’...

The population aged 65 and older will grow at an unprecedented pace over the next decade in most advanced economies. But what does population aging imply for banking? Exploiting geographic variation in the change in seniors across U.S. counties, we show that higher savings by seniors lead to a...