The recent financial crisis has shown that short-term collateralized borrowing may be a highly unstable source of funds in times of stress. The present paper develops a dynamic equilibrium model and analyzes under what conditions such instability can be a consequence of market-wide changes in...

We study daily money market mutual fund flows at the individual share class level during the crisis of September 2008. The empirical approach that we apply to this fine granularity of data brings new insights into the investor and portfolio holding characteristics that are conducive to run-risk...