The Evolution of Bank Supervision: Evidence from U.S. States

We use a novel data set spanning 1820-1910 to examine the origins of bank supervision and assess factors leading to the creation of formal bank supervision across U.S. states. We show that it took more than a century for the widespread adoption of independent supervisory institutions tasked with maintaining the safety and soundness of banks. State legislatures initially pursued cheaper regulatory alternatives, such as double liability laws; however, banking distress at the state level as well as the structural shift from note-issuing to deposit-taking commercial banks and competition with national banks propelled policymakers to adopt costly and permanent supervisory institutions.