We assess the impact of the geographic expansion of bank assets on the cost of banks' interest-bearing liabilities. Existing research suggests that expansion can both intensify agency problems that increase funding costs and facilitate risk diversification that decreases funding costs. Using a...

This paper assesses the impact of the geographic diversification of bank holding company (BHC) assets across the United States on their market valuations. Using two novel identification strategies based on the dynamic process of interstate bank deregulation, we find that exogenous increases in...