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Correspondence

For responses to published essays, frameworks and research, data or case contributions, research collaboration, and speaking requests.

Reasons to write

Responses to published work

Challenges, corrections and field evidence that test a published essay, framework or finding. Substantive responses may inform the next version.

Data and case contributions

Public data, tender outcomes, transaction records or anonymised cases relevant to procurement, contracts, transactions and cost.

Collaboration and speaking

Joint research, citations, panels and talks on the themes published here.

Please do not send confidential or commercially sensitive information. Contributions are used only with your consent and are anonymised by default.

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Please reference the piece you are responding to, where relevant. I read every message and typically respond within five working days.