منابع مشابه
Value of Travel Time :Theoretical and Empirical Method
The value of travel time savings (VTTS) is the monetary value attached to save a determined amount of travel time. VTTS is also the most important benefit category aimed at justifying investments in transport infrastructures by public administrations. Hence VTTS played a significant role in various economic studies, both analytical and empirical (Zamparini & Reggiani, 2007). "It is difficult to...
متن کاملValue of Travel Time
For example, if someone is in the central business district of a large city, it might be cheapest to walk to a given destination. However, if the traveler has a particularly high value of travel time, the person might elect to pay for a ride to get to his or her destination faster. Similarly, a person driving a car might be faced with the choice between sitting in congestion or electing to pay ...
متن کاملThe Use and Value of Travel Time
This paper, focused primarily on UK data and debates, considers the potential significance of travel time use within past, present and future patterns of mobility. In transport scheme appraisal, savings in travel time typically represent a substantial proportion of the benefits of a scheme – benefits used to justify its often enormous financial costs. Such benefits are founded on the assumption...
متن کاملInvestigating the distribution of the value of travel time savings
The distribution of the value of travel time savings (VTTS) is investigated employing nonparametric techniques on a large, high quality data set. When background variables are not included in the model it is found that the right tail of the distribution is not observed and hence the mean VTTS cannot be evaluated. This conclusion changes when background variables are introduced into a semiparame...
متن کاملOf bears, conservation genetics, and the value of time travel.
P genetics is a historical discipline in the sense that it analyzes the distribution of genetic variants in populations to make inferences about evolutionary processes and events in the past. But it is time trapped, because population geneticists, unlike for example paleontologists or archaeologists, are limited to the analysis of contemporary materials and cannot go back in time to study direc...
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ژورنال
عنوان ژورنال: Transportation Research Part B: Methodological
سال: 2011
ISSN: 0191-2615
DOI: 10.1016/j.trb.2010.06.001