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Valuations of travel time variability in scheduling versus mean-variance models
Börjesson, Maria; Eliasson, Jonas; Franklin, Joel - CTS - Centre for Transport Studies Stockholm (KTH and VTI) - 2012
The standard method of estimating the value of travel time variability for use in policy appraisal is to estimate the parameters of a reduced-form utility function, where some measure of travel time variability (such as the standard deviation) is included. A problem with this approach is that...
Persistent link: https://www.econbiz.de/10010764692
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Spatial, temporal and size distribution of freight train delays: evidence from Sweden
Krüger, Niclas A.; Vierth, Inge; Fakhraei Roudsari, Farzad - CTS - Centre for Transport Studies Stockholm (KTH and VTI) - 2013
This paper analyzes how freight train delays are distributed with respect to size, location and time of their … occurrence. Arrival delays are analyzed in detail using data covering all freight train departures and arrivals during 2008 and … fluctuates on different time scales, especially due to the economic chock in 2009. Since the distribution of delays on different …
Persistent link: https://www.econbiz.de/10010762016