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Liz Truss becomes UK Prime Minister

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Liz Truss becomes UK Prime Minister

On Monday 5 September, Liz Truss won the Conservative Party leadership race and has now become the UK Prime Minister (PM). In this Macro Flash Note, Joaquin Thul discusses the challenges ahead for Truss and the main items in her domestic and foreign policy agenda.

Joaquin Thul
Joaquin Thul

After almost two months of campaigning, Liz Truss became UK Prime Minister receiving 57% of the votes from Conservative Party members and beating former chancellor Rishi Sunak for the top job. The difference in votes between candidates was smaller than initially anticipated by political commentators and represents the lowest vote share for a successful candidate since the current system to elect Conservative Party leaders was introduced in 2001.1

The campaign was almost entirely focused on the UK’s rising cost of living and potential solutions to the country’s decelerating economy. Truss will now have a maximum term of over two years before the next general election which must be held before January 2025. In her first speech outside 10 Downing Street, Truss highlighted three key priorities for her government:

  1. Promote growth through tax cuts and economic reforms.
  2. Tackle the energy crisis in the country driven by Russia’s invasion of Ukraine.
  3. Support the National Health Service, with over 6 million people still waiting for treatments.

Regardless of the policies implemented to achieve these objectives, she could benefit from the very low expectations set for her government given the difficult economic environment she is inheriting. Opinion polls give the Conservatives only 32% of voting intentions, 10 percentage points behind Labour.2 Additionally, the Tories’ 75 seat majority in the House of Commons should allow Truss meaningful political flexibility to pass legislation.

Challenging domestic scenario

Truss has started her term as PM with the difficult task of dealing with a worsening domestic economic outlook, marked by the rising cost of living, a deterioration in public finances and difficult relations with workers’ unions. According to forecasts from the Bank of England, UK GDP is expected to decline in Q4 2022 and enter a recession from the first quarter of 2023. GDP is expected to contract between 1.5% and 2% in 2023. At the same time, inflation is expected to peak at 13% in Q4-2022 before easing back to single-digits in Q3 2023, assuming global energy prices stabilise and tradable goods prices decline.

Although there have been no official policy announcements yet, Truss is expected to:

  • Reverse the rise in National Insurance Contributions of 1.25%, which was introduced by Sunak in April of this year. According to the Institute of Fiscal Studies (IFS), this would have cost £13 billion per year.
  • Set a cap on household energy bills at about £2,500 for the next two years, helping to protect consumers from surging gas and electricity prices, see Figure 1.
  • Cancel the planned increase in corporation tax from 19% to 25%, scheduled for next year, and oppose any further windfall taxes on energy firms, in a clear signal to attract investment to the UK.
  • Review taxation of families and the use of tax allowances to tackle problems with affordability of childcare.

Figure 1. Energy price Cap expected to be set at £2,500

Figure 1.png

Source: BBC and EFGAM. Data as of 6 September 2022.

With public debt rising above £2 trillion, the IFS estimates that some of Truss’s policies could cost more than £30 billion per year and warned about the negative impact on public finances of some of these promised tax cuts. Although the Office for Budget Responsibility (OBR) estimated in March the government would have headroom of approximately £30 billion against the existing fiscal rules, the outlook for the UK economy has worsened since then. Therefore, the fiscal space is likely smaller and some of the additional spending would need to be financed by debt issuance.

The new PM will also face the difficult task of negotiating with trade unions. Last month she revealed plans to raise the minimum threshold for voting in favour of strike action from 40% to 50%, restricting the ability of trade unions to call strikes. She also plans to propose a change in legislation that guarantees a minimum service during strikes to reduce disruptions.

Despite being critical of the Bank of England’s (BoE) strategy to tackle inflation over the last year, she has explicitly supported the independence of the central bank. However, she has spoken about the need to reassess its mandate, which was set in 1997. The deterioration of the outlook for the UK economy and the recent strength of the US dollar has been reflected in the price of the pound which recently reached $1.15, the lowest level since 1985. We expect the BoE to follow through on its announcements to tighten monetary policy more aggressively in the coming months which will support sterling, particularly if US interest rates peak earlier than other central banks. Furthermore, the current estimated undervaluation of the pound against the dollar could also shrink as US Producer Price Index (PPI) falls on lower energy prices and UK PPI rises further in the coming months, see Figure 2.

Figure 2. USD per GBP and the PPP estimate

Figure 2.png

Source: Refinitiv and EFGAM. Data as of 6 September 2022.

Busy foreign agenda

The implementation of post-Brexit trading arrangements with Northern Ireland has resulted in a deterioration of the relationship between the UK and the EU. Truss expressed her intention to push forward unilateral legislation to override the Northern Ireland protocol, a key part of the Brexit deal. If enacted, it could be perceived as a provocative action from the UK and risk increasing tensions with EU leaders.

Despite voting in favour of the UK remaining in the EU in the 2016 referendum, she is committed to continuing Johnson’s Brexit policies and overhauling the UK’s immigration and trade rules. Before her appointment as PM, she confronted French President Macron over the migrant crisis which will be another important item on her agenda for the next two years.

The incoming PM has maintained strong support for Ukraine, pledging to continue providing weapons and maintaining sanctions on Russia. Moreover, Truss has pledged to increase UK defence spending to 3% of GDP by 2030.

Finally, during her term as Foreign Secretary Truss was particularly hawkish on China. She stated her intention to declare China a “threat” to national security, which could lead to a review of investments involving Chinese companies in the UK. However, it remains unclear what her priorities will be on this front.


The appointment of Liz Truss as PM did not come as a surprise to markets. She faces a very difficult economic scenario marked by the rise in inflation, the reduction in real wages, rising energy prices, a geopolitical conflict with Russia and strained relations with the EU. Although expectations are very low regarding how much Truss will be able to achieve, her government will be a beneficiary of the Party’s large majority in Parliament and the fact they will not face an election for over two years.


1 In 2001 Iain Duncan Smith obtained 61% of membership votes, David Cameron got 68% in 2005 and Boris Johnson got 66% in 2019. Theresa May did not face a membership vote in 2016 as her opponent, Andrea Leadsom, pulled out after the first two rounds.