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Transport user benefits calculation with the “Rule of a Half” for travel demand models with constraints

Winkler, Christian (2015) Transport user benefits calculation with the “Rule of a Half” for travel demand models with constraints. Research in Transportation Economics (49), Seiten 36-42. Elsevier. doi: 10.1016/j.retrec.2015.04.004. ISSN 0739-8859.

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Kurzfassung

The importance of user benefits in transport projects assessments is well-known by transport planners and economists. Generally they have the greatest impact on the result of cost-benefit analysis. It is common practice to adopt the consumer surplus measure for calculating transport user benefits. Normally the well-known “Rule of a Half”, as a practical approximation for the integral of the demand curve, is used to determine the change of consumer surplus. Changes in travel demand and consumer surplus are influenced by all modeled changing variables, which primarily comprise the generalized costs. However, travel demand models with multiple constraints additionally contain variable “shadow prices”, added to the generalized costs. Such models are often used for travel demand modeling of large-scale areas. The most discussed and well-known model in the field of transport modeling is the doubly constrained gravity model. Beside this model with inelastic constraints, there are also more flexible models with elastic constraints. In this paper we enter into the question of whether applying the Rule of a Half with regard only to the generalized costs and neglecting the shadow prices is valid in the case of travel demand models with multiple constraints. For this purpose, a theoretical analysis in this paper provides a mathematical proof.

elib-URL des Eintrags:https://elib.dlr.de/96638/
Dokumentart:Zeitschriftenbeitrag
Titel:Transport user benefits calculation with the “Rule of a Half” for travel demand models with constraints
Autoren:
AutorenInstitution oder E-Mail-AdresseAutoren-ORCID-iDORCID Put Code
Winkler, ChristianChristian.Winkler (at) dlr.deNICHT SPEZIFIZIERTNICHT SPEZIFIZIERT
Datum:Juni 2015
Erschienen in:Research in Transportation Economics
Referierte Publikation:Ja
Open Access:Nein
Gold Open Access:Nein
In SCOPUS:Ja
In ISI Web of Science:Ja
DOI:10.1016/j.retrec.2015.04.004
Seitenbereich:Seiten 36-42
Verlag:Elsevier
ISSN:0739-8859
Status:veröffentlicht
Stichwörter:consumer surplus, Rule of a Half, travel demand model, multinomial logit model, constraints
HGF - Forschungsbereich:Luftfahrt, Raumfahrt und Verkehr
HGF - Programm:Verkehr
HGF - Programmthema:Verkehrssystem
DLR - Schwerpunkt:Verkehr
DLR - Forschungsgebiet:V VS - Verkehrssystem
DLR - Teilgebiet (Projekt, Vorhaben):V - Verkehrsentwicklung und Umwelt II (alt)
Standort: Berlin-Adlershof
Institute & Einrichtungen:Institut für Verkehrsforschung > Personenverkehr
Hinterlegt von: Winkler, Dr.-Ing. Christian
Hinterlegt am:30 Jun 2015 13:13
Letzte Änderung:31 Okt 2023 11:30

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