We develop a macroeconomic model with a moral hazard problem between financial intermediaries and households, which causes inefficient resource allocation, to make us reconsider the financial regulation according to financial development, and individual and aggregate economic activities in the...

We study the effects of green capital requirements that give preferential capital treatment to clean loans. From a positive perspective, our analysis clarifies the differential effects of green supporting and brown penalizing factors. From a normative perspective, we contrast optimal capital...

We introduce a model of the banking sector that formally incorporate a buffer function of capital. Heterogeneous banks 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...

Banks strategically choose and dynamically restructure deposits and non-deposit debt in response to the minimum requirements on total capital and tangible equity. We derive the optimal strategic liability structure and show that it minimizes the protection for deposits, conditional on capital...