The idea of separating retail and investment banking remains controversial. Exploiting the introduction of UK ring-fencing requirements in 2019, we document novel implications of such separation for credit and liquidity supply, competition, and risk-taking via a funding structure channel. By...

We develop a novel approach to study how banks respond to fluctuations in the risk of panic-driven retail deposit withdrawals. To proxy for changes in withdrawal risk, we track online information acquisition about different brands of UK banks. We find that banks facing surges in information...

This paper shows that lending relationships insulate corporate investment from fluctuations in collateral values. We construct a novel database covering the banking relationships of private and public UK firms and their individual directors. The sensitivity of corporate investment to changes in...

This paper shows that US banks' increased geographic diversification is an important explanation for the decline of their liquidity buffers from 1976 to the 2008 crisis. Diversified banks also hold more illiquid small business loans, less liquid mortgages, and have higher net liquidity creation....

Using exogenous variation in exposure to hurricanes, this article explores how differently diversified US banks lend during the protracted recovery from a major downturn. Compared to diversified banks, local banks (i) originate a higher share of new mortgage and small business loans in affected...