The paper focuses on the interaction between the solvency probability of a banking firm and the diversification potential of its asset portfolio when determining optimal equity capital. The purpose of this paper is to incorporate value at risk (VaR) into the firm-theoretical model of a banking...

This paper gives an overview of the capital requirements for banks. Regulatory capital is analyzed, followed by the discussion of economic capital. These ideas are used to explain risk adjusted performance measures. -- Regulatorisches Kapital ; ökonomisches Kapital ; RAROC ; RORAC