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In simple terms, the Bank of England and UK Gov are pursuing conflicting economic policies, BoE trying to take money out of circulation through hiking up interest rates, whilst UK Gov is putting money into circulation by proposing massive debt funded tax cuts. The obvious incoherency of this then led to the markets losing confidence in the UK economy, crashing the value of the pound, which in turn makes the planned UK debt funded tax cut plan even more expensive than it already needed to, leading to even more loss of confidence. We are now in cascading crisis, from which there are no good option, only worse and terrible ones. |
The thing I am confused about is why this happened at the announcement. The big measures had already been announced, an energy price cap (£60bn or more depending on wholesale gas costs), and reversal of planned tax increases in National Insurance and Corporation tax (about £40bn). The additional unannounced tax cuts were small (for instance the cut in top rate tax was £2bn). So it seems that most of the drop should have happened before.
Apparently the PM wanted the announcement to feel radical to distance her from the previous government, so maybe the markets were responding to the feeling of the announcement, and the implication of future radical ideological action, as much as the numbers.