Select Committee · Public Accounts Committee

Use of evaluation and financial modelling in Government

Status: Closed Opened: 12 Jan 2022 Closed: 2 Sep 2022 7 recommendations 12 conclusions 1 report

Government relies on hundreds – possibly thousands – of models for a huge variety of critical activities, from forecasting spending plans to guiding operational decision making, and increasingly relies on these models as more data is available and there is an increased emphasis on evidence-driven decision-making. When it comes to evaluating the resulting policy, both … Show more

Reports

1 report
Title HC No. Published Items Response
Fourth Report - Use of evaluation and modelling in governme… HC 254 27 May 2022 19 Responded

Recommendations & Conclusions

19 items
2 Recommendation Fourth Report - Use of evaluation and m… Not Addressed

HM Treasury is not making full use of the spending levers it has at its...

HM Treasury is not making full use of the spending levers it has at its disposal to deliver a step change in the use of evaluation across government. We welcome the creation of the Evaluation Task Force and the increased emphasis on evaluation in the 2020 and 2021 Spending Reviews, … Read more

Government response AI summary
The response does not address the recommendation of setting up a formal process for tracking spending review settlement conditions relating to evaluation, and instead discusses internal performance measures and consultations with the sector.
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HM Treasury
3 Recommendation Fourth Report - Use of evaluation and m… Accepted

No single body is responsible for upholding modelling and evaluation standards and monitoring their implementation.

No single body is responsible for upholding modelling and evaluation standards and monitoring their implementation. Within departments, ultimate responsibility for upholding standards and securing improvements lies with that department’s accounting officer. Supporting the accounting officer, the departmental directors of analysis own the application of the Analysis Functional Standard in their … Read more

Government response AI summary
The Government Analysis Function is piloting an assessment framework to monitor departments' implementation of the Analysis Functional Standard, and HM Treasury will build on its current training offer to ensure staff can confidently assure the quality of outputs from other departments.
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HM Treasury
4 Recommendation Fourth Report - Use of evaluation and m… Accepted

Good quality modelling and evaluation is hampered by challenges in sharing data and a lack...

Good quality modelling and evaluation is hampered by challenges in sharing data and a lack of common data standards. Government does not always see data as a priority and data quality is often inadequate. We have drawn attention to poor data and a lack of joined up systems in numerous … Read more

Government response AI summary
The Cabinet Office will address barriers to data sharing and use through the national data strategy, with complete delivery by April 2025 and an interim progress report by December 2023; the CDDO has published the Data Sharing Governance Framework and is establishing the Data Sharing …
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HM Treasury
5 Conclusion Fourth Report - Use of evaluation and m… Accepted

Departments are not meeting government requirements on publishing evaluation plans and findings, and on transparency...

Departments are not meeting government requirements on publishing evaluation plans and findings, and on transparency of models and their outputs. Transparency is critical for the public to understand the evidence behind decisions and how money is being spent. It also allows departments to learn lessons from past projects and from … Read more

Government response AI summary
The government will publish and maintain an evaluation registry and review procedures around the quality assurance of models and incorporate improved practices across departments.
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HM Treasury
6 Recommendation Fourth Report - Use of evaluation and m… Accepted

Model producers and users do not adequately assess the range of plausible outcomes and are...

Model producers and users do not adequately assess the range of plausible outcomes and are overly reliant on central estimates that do not reflect inherent uncertainty. All modelled information is uncertain, and decision-makers need information on the possible range of outcomes to plan well, manage risks and make better decisions. … Read more

Government response AI summary
The Finance Function will work with the Analysis Function to identify appropriate analysis and modelling considerations relating to uncertainty and incorporate these into the Finance Standard and self-assessment tool.
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HM Treasury
1 Conclusion Fourth Report - Use of evaluation and m… Acknowledged

On the basis of two reports by the Comptroller and Auditor General, we took evidence...

On the basis of two reports by the Comptroller and Auditor General, we took evidence from HM Treasury, the Finance Function, the Analysis Function and the Evaluation Task Force about the use of evaluation and modelling across government.1 Cabinet Office introduced cross-government ‘functions’ in 2013 to provide professional support to … Read more

Government response AI summary
The Evaluation Task Force (ETF) was established in 2021 as a joint HM Treasury and Cabinet Office unit. The ETF will also publish its strategy which will explain how it is working to improve the evaluation system in greater detail, including indicators to measure progress.
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HM Treasury
7 Conclusion Fourth Report - Use of evaluation and m… Acknowledged

HM Treasury has used the last two spending reviews to increase the emphasis on evaluation...

HM Treasury has used the last two spending reviews to increase the emphasis on evaluation in departments, but acknowledges it has a lot more to do to address the persistent problems which prevent the provision and use of evaluation.17 Working with the Evaluation Task Force, HM Treasury asked departments to … Read more

Government response AI summary
The Evaluation Task Force is working with HM Treasury to ensure that departments respond to and deliver on their settlement conditions relating to evaluation, captured in a central tracking system and monitored by senior officials; approval for future funding can be withheld if departments don't …
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HM Treasury
8 Conclusion Fourth Report - Use of evaluation and m… Accepted

Outside of the spending reviews, HM Treasury has few levers and exercises little scrutiny to...

Outside of the spending reviews, HM Treasury has few levers and exercises little scrutiny to ensure that departments comply with evaluation requirements and expectations.20 6 C&AG’s Report, Evaluating government spending, para 3.33; C&AG’s Report, Financial modelling in government, para 13, Figure 4 7 Qq 1, 18–19 8 Q 25 9 … Read more

Government response AI summary
The Evaluation Task Force is working with HM Treasury to ensure that departments respond to and deliver on their settlement conditions relating to evaluation, using a central tracking system to monitor progress.
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HM Treasury
9 Conclusion Fourth Report - Use of evaluation and m… Not Addressed

Within departments, ultimate responsibility for upholding standards and securing improvements lies with that department’s accounting...

Within departments, ultimate responsibility for upholding standards and securing improvements lies with that department’s accounting officer.24 Managing Public Money states that financial modelling and evaluation are an important part of the accounting officer’s role, and that they should comply with the Functional Standards.25 However, there continues to be important weaknesses … Read more

Government response AI summary
The response restates the conclusion.
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HM Treasury
10 Conclusion Fourth Report - Use of evaluation and m… Acknowledged

While HM Treasury is an important user of department’s models, it does not comprehensively scrutinise...

While HM Treasury is an important user of department’s models, it does not comprehensively scrutinise and challenge a department’s quality assurance arrangements for the models it uses. There is no requirement for the Aqua Book to be followed as part of the investment approval process nor as part of the … Read more

Government response AI summary
The Government Analysis Function is piloting an assessment framework to monitor departments' implementation of the Analysis Functional Standard; the ONS is considering the future scope of the Analysis Function; HM Treasury will ensure staff who use outputs from other departments are able to confidently assure …
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HM Treasury
11 Conclusion Fourth Report - Use of evaluation and m… Accepted

To address the lack of overall oversight for both evaluation and modelling standards, the Analysis...

To address the lack of overall oversight for both evaluation and modelling standards, the Analysis Function intends to strengthen the governance framework for the Analysis Functional Standard, including introducing a self-assessment framework to assess performance against the standard.31 The Analysis Function told us there will be an expectation in the … Read more

Government response AI summary
The Government Analysis Function is piloting an assessment framework to monitor departments' implementation of the Analysis Functional Standard, and HM Treasury will build on its current training offer to ensure staff can confidently assure the quality of outputs from other departments.
Read full response →
HM Treasury
12 Conclusion Fourth Report - Use of evaluation and m… Accepted

Government does not always see data as a priority and data quality is often inadequate.36...

Government does not always see data as a priority and data quality is often inadequate.36 The NAO reported in 2019 that the quality and sharing of data is a clear example of a neglected and poorly planned activity, and there is a culture of tolerating and working around poor-quality data.37 … Read more

Government response AI summary
The Central Digital and Data Office (CDDO) is delivering Mission 3 of the National Data Strategy, outlining how all departments will work towards better use of data, with the strategy completely delivered by April 2025.
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HM Treasury
13 Conclusion Fourth Report - Use of evaluation and m… Acknowledged

When producing and using models, poor data can lead to additional time and increased difficulty...

When producing and using models, poor data can lead to additional time and increased difficulty when quality assuring the model inputs. This difficulty is compounded by a lack of data standards across government which means there are inconsistent ways of recording the same information.40 When dealing with new situations, such … Read more

Government response AI summary
The Cabinet Office will address barriers to data sharing and use through the national data strategy, with complete delivery by April 2025 and an interim progress report by December 2023; the CDDO has published the Data Sharing Governance Framework and is establishing the Data Sharing …
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HM Treasury
14 Conclusion Fourth Report - Use of evaluation and m… Accepted

Government’s view is that that transparency is critical for the public to understand the evidence...

Government’s view is that that transparency is critical for the public to understand the evidence behind decisions and how money is being spent, and that transparency should be the default position.44 The Analysis Function consider that transparency of evaluation findings allows departments to learn lessons from past projects and make … Read more

Government response AI summary
The Evaluation Task Force is developing a publicly accessible online registry of UK government evaluations, allowing departments to publish evaluation plans/protocols and reports, and indicate estimated publication dates. The Analysis Function is reviewing its Functional Standard to incorporate improved practices across departments by the end …
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HM Treasury
15 Recommendation Fourth Report - Use of evaluation and m… Accepted

HMT told us it is only recently that it has started to ask departments to...

HMT told us it is only recently that it has started to ask departments to explain why they do not plan to publish some evaluations.48 The Evaluation Task Force raised the issue that there were evaluations that the centre of government did not know about because they had never been … Read more

Government response AI summary
The Evaluation Task Force is developing a publicly accessible online registry of UK government evaluations, allowing departments to publish evaluation plans/protocols and reports, and indicate estimated publication dates. The Analysis Function is reviewing its Functional Standard to incorporate improved practices across departments by the end …
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HM Treasury
16 Recommendation Fourth Report - Use of evaluation and m… Not Addressed

Transparency of the models that departments use is poor: only 9 out of 17 departments...

Transparency of the models that departments use is poor: only 9 out of 17 departments have published their list of business-critical models since 2013, and only four of those have updated this since 2017.54 HM Treasury has not published its own list of business-critical 44 Qq 43,55 45 Q 43 … Read more

Government response AI summary
The response discusses publishing an evaluation registry and reviewing quality assurance procedures, which doesn't directly address the need to publish lists of business-critical models or improve guidance on model transparency.
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HM Treasury
17 Conclusion Fourth Report - Use of evaluation and m… Accepted

Uncertainty is inherent in modelled information and should be considered as part of all analysis.

Uncertainty is inherent in modelled information and should be considered as part of all analysis. HM Treasury believes any model that does not explicitly address uncertainty is deficient.59 Decision-makers need information on the range of outcomes that may occur and their relative likelihoods to develop contingency plans and to avoid … Read more

Government response AI summary
The Finance Function will work with the Analysis Function to identify appropriate analysis and modelling considerations relating to uncertainty and incorporate these into the Finance Standard.
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HM Treasury
18 Recommendation Fourth Report - Use of evaluation and m… Accepted

Despite the importance of uncertainty analysis, model producers do not routinely assess or communicate to...

Despite the importance of uncertainty analysis, model producers do not routinely assess or communicate to users the uncertainty in their models. There is limited evidence of departments using uncertainty analysis or developing contingency plans, and departments generally present outputs as single estimates.64 Analysis of uncertainty can give clarity on the … Read more

Government response AI summary
The Finance Function will work with the Analysis Function to identify uncertainty analysis considerations and incorporate these into the Finance Standard and self-assessment tool.
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HM Treasury
19 Conclusion Fourth Report - Use of evaluation and m… Accepted

Departments present outputs from their models to HM Treasury as part of the spending review...

Departments present outputs from their models to HM Treasury as part of the spending review and budget process. HM Treasury uses these outputs for forecasting, budget planning and to monitor emerging risks. Departments usually provide HM 55 Qq 52–53 56 Q 54 57 C&AG’s Report, Financial modelling in government, paras … Read more

Government response AI summary
The Finance Function will work with the Analysis Function to identify analysis and modelling considerations relating to uncertainty and incorporate these into the Finance Standard by March 2023.
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HM Treasury

Oral evidence sessions

1 session
Date Witnesses
9 Mar 2022 Catherine Hutchinson · HM Treasury and the Cabinet Office, Cat Little · Cabinet Office, Professor Sir Ian Diamond · UK Statistics Authority, Sir Tom Scholar · HM Treasury View ↗

Who gave evidence

4 witnesses
WitnessOrganisationSessions
Cat Little · Permanent Secretary Cabinet Office 1
Catherine Hutchinson · Head of the Evaluation Task Force HM Treasury and the Cabinet Office 1
Professor Sir Ian Diamond · UK National Statistician and Head of the Governme… UK Statistics Authority 1
Sir Tom Scholar · Permanent Secretary HM Treasury 1