On the cost of misperceived travel time variability

Yu Xiao () and Daisuke Fukuda

Transportation Research Part A: Policy and Practice, 2015, vol. 75, issue C, 96-112

Abstract: Because individuals may misperceive travel time distributions, using the implied reduced form of the scheduling model might fall short of capturing all costs of travel time variability. We reformulate a general scheduling model employing rank-dependent utility theory and derive two special cases as econometric specifications to study these uncaptured costs. It is found that reduced-form expected cost functions still have a mean–variance form when misperception is considered, but the value of travel time variability is higher. We estimate these two models with stated-preference data and calculate the empirical cost of misperception. We find that: (i) travelers are mostly pessimistic and thus tend to choose departure times too early to achieve a minimum cost, (ii) scheduling preferences elicited using a stated-choice method can be relatively biased if probability weighting is not considered, and (iii) the extra cost of misperceiving the travel time distribution might be nontrivial when time is valued differently over the time of day and is substantial for some people.

Keywords: Travel time variability; Schedule delay; Departure time choice; Rank-dependent utility (search for similar items in EconPapers)
Date: 2015
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Citations: View citations in EconPapers (8)

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Working Paper: On the cost of misperceived travel time variability (2013)
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DOI: 10.1016/j.tra.2015.03.014

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