We model the impact of bank mergers on loan competition, banks' reserve holdings and aggregate liquidity. Banks compete … in liquidity risk and expected liquidity needs for each bank and for the banking system. Large mergers tend to increase … expected aggregate liquidity needs, and thus the liquidity provision by the central bank. Comparative statics suggest that a …

A growing body of literature indicates that competition increases bank soundness. Applying an industrial organization … indeed increases bank efficiency. Second, building on these results, we examine the relation between the Boone indicator … bank soundness. We find evidence that competition robustly increases bank soundness, via the efficiency channel …