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Supplementary guidance to the Green Book on estimates for a project's costs, benefits and duration in the absence of robust primary evidence.
Description of the statistical methods and techniques used to create and analyse monthly estimates for personal well-being related to optimism and concerns for the UK. This is the first time that we are publishing these new questions as Experimental Statistics.
Investigates the phenomenon of optimism bias in UK rail infrastructure projects.
A workbook of reference class forecast curves that can be used in uncertainty analysis.
Peer review of Oxford Global Projects research report on the rate of optimism bias uplifts used in transport appraisal.
The third paper in a series of Homes England research reports on measuring social value.
A report on the updated evidence for optimism bias uplifts for transport appraisals.
Science and technology start-ups in regions across the UK broke global trends to grow private sector investment in 2023, according to new research.
An Optimistic Preliminary Account
This update produced by the Department for Business and Trade (DBT) provides an overview of Britain’s Brexit successes over the last 4 years.
Employment Tribunal decision.
Transport analysis guidance (TAG) provides information on the role of transport modelling and appraisal.
Speech on our role in tackling climate change by Sir James Bevan, Chief Executive of the Environment Agency.
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