Haufler, Andreas; Lülfesmann, Christoph - 2022
choose their portfolio risk, bank size, and capital holdings. Banks voluntarily hold equity when the buffer effect against … the risk of default outweighs the cost advantages of debt financing. In the optimum, banks with lower monitoring costs are … larger, choose riskier portfolios, and have less equity. Binding capital requirements or levies on bank borrowing are shown …