Office for Budget Responsibility: What is the OBR and why does it matter?

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The Office for Budget Responsibility (OBR) monitors the UK government's spending plans and performance.

Twice a year, it releases forecasts on the state of the economy and the public finances.

What is the OBR and what does it do?

The OBR assesses the health of the UK's economy. It is independent of government but works closely with the Treasury.

Its forecasts are usually released alongside big government events such as the Budget and Autumn Statement.

Before these announcements, the government gives the OBR details of its plans to raise or lower taxes and how it intends to spend public money.

The OBR checks the information and makes economic forecasts covering the subsequent five years.

These forecasts cover things like whether the government will spend more money than it raises, and whether the UK's economy will grow or get smaller.

Why is the OBR important?

In September 2022, Liz Truss's government put forward a set of unfunded tax cuts in its mini-budget without consulting the OBR first.

The value of the pound crashed, signalling that international investors had no confidence in the government's measures, and the Bank of England was forced to step in to protect pension funds.

The OBR had offered to prepare a draft economic forecast, but the government rejected the offer.

Many said the decision not to consult the OBR was a key reason for the lack of investor confidence.

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Former PM Liz Truss and her then chancellor Kwasi Kwarteng were criticised for not working with the OBR

Jeremy Hunt, who replaced Kwasi Kwarteng as chancellor shortly afterwards, said it was a mistake by the government to "fly blind" without the OBR's input.

Mr Hunt even pushed back the date of the 2022 Autumn Statement to allow time for the OBR to prepare an accurate economic forecast.

Most of the tax cuts promised in the mini-budget were later cancelled.

Why do OBR forecasts matter?

The OBR uses its forecasts to assess whether the government is likely to meet the rules it has set for managing the economy.

Its judgement on whether the government's plans are sound is important to financial investors. They help fund government spending by buying its bonds - which are a type of IOU.

This means some of the government's borrowing costs are determined by how the financial markets respond to the OBR's assessments and forecasts.

Why was the OBR created?

The OBR was set up in 2010 under the Conservative-Liberal Democrat coalition government.

Before that, the government produced its own economic forecasts.

The OBR was designed to provide independent analysis of the UK economy that was not influenced by party politics.

It also assesses some aspects of the financial policy decided by the Scottish and Welsh governments.

Who runs the OBR?

The OBR is led by a Budget Responsibility Committee.

It has three members, including the current chair Richard Hughes, external, whose five-year term began in October 2020.