Thread by @MePeterNicholls

1. The UK is especially exposed to bond markets because of the specific ways government has chosen to organise its financial institutions. This a political architecture that turns gilt-market movements into immediate pressure on policy; it’s not just “it’s economics”. Here’s why:

2. Firstly, the Bank of England. Its independence and strict 2% inflation remit mean markets don’t assume the central bank will simply accommodate government borrowing. (Which it is actually obliged to by law.) That helps control inflation, but…

3. it also means fiscal policy is constantly judged against monetary “credibility”. This is a shifting sand and not logically straightforward. Its value judgments based on “sentiment” and not mathematical precision.

4 Then there is the Debt Management Office. The UK funds itself through regular, transparent gilt issuance. That predictability supports credibility, but it also means the state is always visibly asking markets to absorb its debt. Therefore, Yields become a political signal.

5. The OBR adds another layer. When gilt yields rise, the OBR turns that into changes in debt-interest forecasts and “fiscal headroom”. A market move is therefore converted into a headline political constraint: less room to spend, invest, or cut taxes.

6. That’s a self imposed constraint, again, not a law of economics that is irrevocable..

The structure of the gilt market matters too. The UK has a large stock of index-linked debt, significant overseas ownership, and a shrinking domestic pension base…

7. that once provided steady demand for long gilts. That makes adverse repricing harder to ignore.

8. Bond markets are often treated as if they reveal the hard limits of what is economically possible.

BUT the reality is more political: UK has built a fiscal and monetary system that turns gilt market signals into institutional alarm, media panic, and political self restraint.

The UK has built institutions that translate market movements into political discipline: OBR “headroom”, Bank of England credibility, gilt market anxiety, media panic, and government self-restraint.

It’s self imposed and can be changed if there is the political will. However

As usual it all falls back to whom the politicians are running the system for, and judging by a fairly consistent past 47 years, it seems that the system is designed to extract profit by the extreme financialisation of everything, not for the welfare or good of society.

@threadreaderapp please unroll.