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Table 3 CBA of airport as a single asset and as part of a portfolio infrastructure investment

From: Introducing system interdependency into infrastructure appraisal: from projects to portfolios to pathways

Asset

Environmental (2010 prices, £bn)

Financial (2010 prices, £bn)

Service (2010 prices, £bn)

Social (2010 prices, £bn)

Total (2010 prices, £bn)

Airport (individual asset)

−2.16

35.18

−43.65

−3.64

−14.28

Airport (portfolio)

−0.32

37.49

−4.48

−0.85

31.85

Difference

1.84

2.32

39.18

2.80

46.13