Yesterday we noted that the identity of the chancellor would be the first real signal of what an Andy Burnham government intends to do about the economy. That answer arrived on Monday, and it is John Healey.

The appointments

Healey, previously the defence secretary, has been made chancellor of the exchequer, the minister responsible for tax, spending and the overall management of the economy. In the British system it is the second most powerful job in government, and its holder can constrain a prime minister more than any other colleague.

Rachel Reeves, who held the post under Keir Starmer, has been removed. Al Jazeera reports she was fired.

Two other senior departures were confirmed on the same day. David Lammy leaves the roles of deputy prime minister and justice secretary, and Peter Kyle has been sacked as business secretary.

This is a substantial clearing-out rather than a reshuffle at the margins. A new prime minister from the same party has removed his predecessor's chancellor, deputy and business secretary on day one.

What the choice signals, and what it does not

Some caution is warranted about reading policy from a personnel decision.

Moving a defence secretary to the Treasury is unusual, and it will invite the inference that defence spending is protected or rising. That inference is reasonable but it is an inference: no spending commitment has been published, and a chancellor's job is to constrain departmental budgets, including the one he has just left.

What can be said with more confidence is that removing a sitting chancellor signals a change of economic direction rather than continuity. Reeves had become closely identified with a particular fiscal approach, and a prime minister who intended to keep that approach would have had little reason to replace her.

The substance is still missing. Burnham has said cost-of-living measures will be announced this week. Until those exist, the direction is a matter of personnel and rhetoric.

What he said

Burnham's first remarks in office were pitched at the problem of British political instability, which he inherits as much as any economic difficulty. He is the country's seventh prime minister in a decade.

"Britain needs to show the world that we can regain our stability once again," he said, and, more bluntly: "We have not been good enough and we need to be better."

He also promised scale: "We will make this moment a circuit-breaker for Britain, bringing forward the biggest changes in the last 40 years."

That is a large claim, and it is the standard against which his own government will be measured.

The immediate commitments

Three things were given specific timing, which makes them checkable.

Cost-of-living measures are promised this week. Ending rough sleeping was named as a first priority, with a ten-year homelessness plan to be produced by the end of 2026. On Ukraine he committed to continuity, saying of President Zelensky: "I will be with him 100 percent."

An early call with President Trump was also planned, and has taken place.

The pressure he is under

The political context for all of this is Reform UK, whose polling has risen and which represents the principal threat to Labour before the next general election, expected in 2029.

That shapes the incentives. A government worried about losing voters to a populist challenger has reasons to move quickly and visibly on household costs, which is what the promise of measures within a week suggests.

Whether the measures match the language of a circuit-breaker is the question this week will answer.