Originally Posted by
wiggin
Hmm, an interesting suggestion, Loki. I think that there are better ways to address it than a tax, though, since it requires pretty complex definitions that will change with financial innovation. Why not just increase reserve ratios and stringency for larger institutions? Ignore the level of 'risk' as too tough to quantify, but just make any institution large enough to require a bailout (and thus have an implicit subsidy and a significant moral hazard problem) to insure themselves against a problem by requiring a much higher tier 1 capital ratio. There can be penalties for dropping below the ratio, which can be used to fund a 'bailout fund', similar to FDIC.