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

Banks are liquidity brokers: they acquire it at the market in form of deposits and lend it in form of loans. As liquidity is not for free, the costs of its acquisition have to be transferred to those (departments) that lend it. Furthermore, banks take liquidity risk. The costs to hedge this risk...