We investigate how the better integration of U.S. banks across states has affected economic volatility within states. In theory, the link between bank integration and volatility is ambiguous; integration tends to dampen the impact of bank capital shocks on state activity, but it amplifies the...

Theory suggests that bank integration (financial integration generally) can magnify or dampen the business cycles, depending on the importance of shocks to firm collateral versus shocks to the banking sector. In this paper, we show empirically that bank integration across U.S. states over the...