It's just another tax.

And you're right: consumers will end up paying for it.

In the unintended consequences department, if bankers' bonuses end up being reduced, both federal and state income tax revenues will likewise be reduced. That could be big in New York, a state with a massive deficit.

Plus the multiplier effect takes a hit. That is, the bankers would have spent a portion of their big bonuses on real estate, cars, etc.