[A]

achievability 9

acquisition and use of property 69-71

'Adding it Up' 7n

additionality 52-4, 101

adjustments 24-6

for market distortions 21

for optimism bias 30, 85-6

for taxes 28

for variability 88-9

see also distributional weights; weighting and scoring

adverse selection 52, 101

affordability 9, 19, 39, 101

aggregates 67

agri-environment schemes 65

agricultural land 70

air quality 9, 61, 64-5

amenity values 66, 70

see also social costs and benefits

anti-discrimination law 94-6

appraisal 3-10

compared to evaluation 47-8

definition 2, 101

appraisal period 19

appraisal reports 6

archives 7

assessment, definition 1n,101

asymmetry of information 52, 101, 102

auditors 7

see also National Audit Office