Asked by one analyst to at yesterday's investor briefing to address the topic of capital requirements in banking, ANZ's CEO Mike Smith jumped in."Every time we seem to get to the place that we want to be our regulators say we require more capital.  "It is an issue for the industry: how much is enough?  "If you look at how much capital we are holding now compared to pre-crisis, we are actually holding double the amount of capital that we had in 2007 to support the same size business, on a like-for-like basis.  "That has all been at the behest of regulators, and we continue to be told that we require more capital for this, more capital for that. "All I can tell you is that capital requests never seem to go down; it appears to be one way. But, at some stage, this has to stop, because it's going to have an effect on the underlying economy."Smith, who is chair of the Australian Bankers Association, has chipped away at the topic in public forums over the last year."Some of these regulators have no natural predators, that's the problem.  "So we are where we are. We are in a good position, and so are our competitors, is all I can say."