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Autor:innen: 
Erscheinungsjahr: 
2002
Schriftenreihe/Nr.: 
Tinbergen Institute Discussion Paper No. 02-102/3
Verlag: 
Tinbergen Institute, Amsterdam and Rotterdam
Zusammenfassung: 
This paper provides a link between car following theory and the economic theoryof road congestion by means of a theory of speed choice. According to this theory speedchoice is based on a trade-off between the benefits (shorter travel time) and cost (higheraccident risk) of driving faster. Accident risk is related to the distance to the ‘leader’and by elaborating this relationship a number of car-following models can be derived fromthis theory of speed choice. Wit homogeneous traffic, steady state analysis leads to amodel that generalizes the conventional Pigou-Knight analysis: it has an endogenous speedchoice curve and requires the incorporation of accident risk in the value of travel time. Afurther generalization of this model to steady states with heterogeneous traffic ispossible and leads to the conclusion that first best tolls will in general requiredifferentiation over groups of drivers. Finally a general bottleneck model is discussedthat contains Vickrey’s (1969) and Verhoef’s (2002) versions as special cases. This results in aclarification of Verhoef’s finding that implementation of the optimal Vickrey toll canresult in a deterioration of welfare.
Schlagwörter: 
Car following
congestion tolling
traffic speed
traffic heterogeneity.
JEL: 
R41
R48
D62
Dokumentart: 
Working Paper
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