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PRINCIPLES REGULATING RESERVE
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Then I should say, putting the foregoing reasoning into figures, that the Bank ought never to keep less than £11,000,000 or £11,500,000, since experience shows that a million, or a million and a half, may be taken from us at any time. I should regard this as the practical minimum at which, roughly of course, the Bank should aim, and which it should try never to be below. And in order not to be below £11,500,000, the Bank must begin to take precautions when the reserve is between £14,000,000, and £15,000,000: for experience shows that between £2,000,000 and £3,000,000 may, probably enough, be withdrawn from the Bank store before the right rate of interest is found which will attract money from abroad, and before that rate has had time to attract it. When the reserve is between £14,000,000 and £15,000,000, and when it begins to be diminished by foreign demand, the Bank of England should, I think, begin to act, and to raise the rate of interest.