They should vary the capital structure as their businesses change and markets prefer debt or equity, or a interest rates fluctuate.

FORBES: Dow Jones Interactive

Because the Co-Op would become so large in the sensitive business of taking deposits, with care of tens of billions of pounds of savings for many millions of customers, it would be forced to change its corporate structure and governance, and dedicate more capital to banking, to protect depositors from losses.

BBC: The threat to Co-op��s plan to be a bigger bank