Banks have progressively evolved from being standalone institutions to being subsidiaries of increasingly complex financial conglomerates. We conjecture and provide evidence that the organizational complexity of the family of a bank is a fundamental driver of the business model of the bank...

About the author -- Acknowledgements -- Why design matters -- Organisational complexity -- Traditional organizational forms -- Designing multidimensional organisations -- Designing sub-units -- Defining the vertical structure -- Configuring interfaces -- Managing the organisation design process...