Assuring finite moments for willingness to pay in random coefficient models
Inter-temporal variation in the travel time and travel cost parameters of transport models
Impact of family in-home quality time on person travel demand
Cost and time damping: evidence from aggregate rail direct demand models
New appraisal values of travel time saving and reliability in Great Britain
The Gothenburg congestion charges: cost–benefit analysis and distribution effects
VTT or VTTS: a note on terminology for value of travel time work
Can repeated surveys reveal the variation of the value of travel time over time?