We document five facts about banks: (1) market and book leverage diverged during the 2008 crisis, (2) Tobin's Q predicts future profitability, (3) neither book nor market leverage appears constrained, (4) banks maintain a market leverage target that is reached slowly, (5) pre-crisis, leverage...

We document five facts about banks: (1) market and book leverage diverged during the 2008 crisis, (2) Tobin's Q predicts future profitability, (3) neither book nor market leverage appears constrained, (4) banks maintain a market-leverage target that is reached slowly, and (5) precrisis, leverage...

We develop a tractable model of banks' liquidity management and the credit channel of monetary policy. Banks finance loans by issuing demand deposits. Loans are illiquid, and transfers of deposits across banks must be settled with reserves in a frictional over the counter market. To mitigate the...

This paper integrates a realistic implementation of monetary policy through the banking system into an incomplete-markets economy with wage rigidity. Monetary policy sets policy rates and alters the supply of reserves. These tools grant independent control over credit spreads and an interest...

We develop a new tractable model of banks' liquidity management and the credit channel of monetary policy. Banks finance loans by issuing demand deposits. Because loans are illiquid, deposit transfers across banks must be settled with reserves. Deposit withdrawals are random, and banks manage...