We provide evidence that lenders differ in their ex post incentives to internalize price-default externalities associated with the liquidation of collateralized debt. Using the mortgage market as a laboratory, we conjecture that lenders with a large share of outstanding mortgages on their...

We examine the effects of the supplementary leverage ratio (SLR) on large banks’ participation in U.S. Treasury markets. Exploiting exogenous shocks to credit line drawdowns and data on bank’s holdings of Treasury securities, we show that an increase in banks’ balance sheets size reduces...