UK PM Burnham says No. 10 North will take over responsibility for economic growth from the Treasury as part of a transfer of power, according to The Times

Machinery-of-government stories of this kind, pulling growth policy away from the Treasury toward the centre, have historically mattered less for the announcement itself than for what they signal about the balance of power over fiscal strategy. The Treasury's institutional role as the guardian of fiscal discipline is well established, and episodes where growth functions migrate toward the prime minister's office have tended to coincide with pressure for looser spending priorities and more activist industrial policy, which is the channel through which gilt supply expectations and the long end eventually feel it. The immediate read is personnel and process: who staffs the new unit, whether Treasury sign-off on spending decisions is formally diluted, and whether the Chancellor's authority over the fiscal rules is touched. Precedent suggests markets largely shrug at reorganisation headlines until they produce a concrete fiscal event, a spending review, a rule change, or a budget with altered arithmetic. The follow-ons worth noting are the reaction of senior Treasury officials, any friction between the two centres of power, and whether ratings agencies or fiscal watchdogs comment. As reported by a single newspaper and not yet formally confirmed, this remains a story about institutional intent rather than policy substance.