Mackie, PeterNellthorp, JohnLaird, James2012-08-132012-08-132005-01https://hdl.handle.net/10986/11803This note address issues considering: what types of project typically have a very long life? Section 1: discusses the choice of appraisal period; Section 2: analyses the use of residual values; Section 3: discusses the pitfalls to avoid; Section 4: looks at the sensitivity of these matters to the discount rate.CC BY 3.0 IGOASSETSBRIDGEBRIDGESCITIESCOST BENEFIT ANALYSISDISCOUNT RATEDRAINAGEEARTHWORKSFRAMEWORKINTERNAL RATE OF RETURNMAINTENANCE COSTSNET BENEFITSNET PRESENT VALUENET VALUENPVPAVEMENTPORTSRAILWAYSROAD SURFACEROADSSTRUCTURESTRANSPORTTRANSPORT ECONOMICSTRANSPORT PROJECTSTUNNELSURBAN DEVELOPMENTWorld Bank10.1596/11803