questionText: To ask the Chancellor of the Exchequer, what analysis her Department has undertaken on the potential fiscal implications for future public spending decisions of altering the declining discount rate regime.
answerText: The independent review of the Green Book discount rate will be published in the summer 2026. Changes to the Green Book discount rate methodology will affect the appraisal of major infrastructure projects that involve benefits and costs well into the futur...
heading: Infrastructure: Cost Benefit Analysis