A potentially troubling characteristic of the U.S. banking industry is the geographic concentration of many banks’ offices and operations. Historically, banking laws have prevented U.S. banks from branching into other counties and states. A potential adverse consequence of these regulations...

Mergers of community banks across economic market areas potentially reduce both idiosyncratic and local market risk. A merger may reduce idiosyncratic risk because the larger post-merger bank has a larger customer base. Negative credit and liquidity shocks from individual customers would have...

Mergers of community banks across economic market areas potentially reduce both idiosyncratic and local market risk. Idiosyncratic risk may be reduced because the larger post merger bank has a larger customer base. Negative credit and liquidity shocks from individual customers would have smaller...

Most community banks face relatively high levels of diversifiable credit risk because they have relatively few loan customers (idiosyncratic risk) and are not geographically diversified (local market risk). We simulate mergers among community banks to quantify the relative contributions of...