We analyze the implication of a bailout package including a loan guarantee and a direct equity capital injection on the equity risk of a distressed bank at the taxpayer costs. The lending function with a loan guarantee of the bank creates the need to model equity as a down-and-out call (DOC)...

Synergy-banking management under capital regulation is done through a gluing together of lending and deposit-taking. Under this viewpoint, we argue that the cap options theory of corporate security valuation can be applied to the contingent claims of the synergy-banking firm. The equity holders...

This paper examines the optimal bank interest margin, the spread between the loan rate and the deposit rate, when the bank's preferences include the like of higher equity returns and the dislike of higher equity risks based on a path-dependent Cobb–Douglas utility function. A path dependency...

This paper proposes a framework for bank equity valuation based on a path-dependent, barrier option model. A direct implication of this framework is that bank equity will be priced as a down-and-out call option. Using this approach, we examine how bank interest margin, i.e., the spread between...

The main purpose of this paper is to model bank spread behavior under capital regulation and deposit insurance. Comparative static results show that an increase in the capital-to-deposits ratio or the deposit insurance decreases the bank's interest margin or spread. It is also shown that an...