In thissection,wewillillustratehowtheoutcomeofaCBAis
almost arbitrarywhenthereisnoexplicitprincipledecidinghow
timetables shouldbedetermined(bothinthedo-nothingandin
the do-somethingscenarios).Thisisquitegeneral;itistrue
regardlessoftheinstitutionalsetting,i.e.whichstakeholders
decide theuseoftherailwayandwhatobjectivefunctionsthey
have.Whichtimetableprincipleisthemostappropriatewill
depend onthisinstitutionalsetting.Thereisobviouslyahostof
possible suchsettings;here,wewillonlyprovidetwosimple
examplestoillustratetheproblem.