So that people can adjust, start it at 1 cent and increment the tax by a penny a year from now to 2036.

FORBES: Tax My Carbon

This time, the issue is whether to exercise the option it created in 1994 by building a second increment of 20 B-2 aircraft.

CENTERFORSECURITYPOLICY: Center For Security Policy

But teachers' unions have been hostile to the changes proposed by the government, arguing that the expectation of an annual increment, in place since the 1920s, provided an incentive to recruit graduates into teaching.

BBC: Teachers' performance pay on pupil progress

If, as Mr Sants implied, the new G-SIFI capital increment settles at around 3%, that will be significantly less than the optimal level calculated by David Miles of the Bank of England's Monetary Policy Committee in an influential paper.

BBC: Sants: We wanted banks to hold more capital