Die Auswirkung einer Höchstverschuldungsquote auf den Bankenmarkt

We analyze from a theoretical perspective to what extend the implementation of an additional bank capital regulation in form of a leverage ratio can meet the expectations the Basel Committee for Bank Supervision puts in it. The model shows that an affected bank, which maximizes profits under an existing value-at-risk capital charge, is forced by the implementation to specialize and has a tendency to choose the same allocation of its risk portfolio as other affected banks. Contrary to the aims of the Basel Committee, the banking market would be more prone to crisis, because the diversity of business models decreases. en