Treasury test discount rate
The Treasury Test Discount Rate (TDR) is a rate suggested by H.M. Treasury, and employed in COBA. It is an attempt to value the social time preference of society.
It was revalued in 2003 from 6% to 3.5%. This figure was taken from The Green Book 2003 page v.
Further reading
- John Porter; Ron Bridle; Motorway Archive Trust (2002). The Motorway Achievement. Thomas Telford. pp. 17–18. ISBN 0-7277-3197-1.
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