A repeated cross-sectional evaluation of car ownership

Ram Pendyala, Lidia P. Kostyniuk, Konstadinos G. Goulias

Research output: Contribution to journalArticle

40 Citations (Scopus)

Abstract

This paper studies changes in the relationship between household car ownership and income by household type. Ordered response probit models of car ownership are estimated for a sample of households repeatedly at six time points to track the evolution of income elasticities of car ownership over time. Elasticities of car ownership are found to change over time, questioning the existence of a unique equilibrium point between demand and supply that is implicitly assumed in traditional cross-sectional discrete choice car ownership models. Moreover, different household types and households that underwent household type transitions showed differing patterns of change in elasticities. Observed trends in car ownership and income clearly show behavioral asymmetry where the elasticity of procuring an additional car is greater than that of disposing a car. This too shows the inadequacy of traditional cross-sectional models of car ownership which tend to predict symmetry in behavior. The study suggests the importance of incorporating dynamic trends into the forecasting process, which can be accomplished through the use of longitudinal data.

Original languageEnglish (US)
Pages (from-to)165-184
Number of pages20
JournalTransportation
Volume22
Issue number2
DOIs
StatePublished - May 1995
Externally publishedYes

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car ownership
Railroad cars
income
elasticity
evaluation
Elasticity
trend
asymmetry
automobile
supply
demand
time
Railroad tracks
symmetry
household

Keywords

  • behavioral dynamics
  • car ownership
  • income elasticity
  • motorization
  • ordered probit
  • repeated observation

ASJC Scopus subject areas

  • Development
  • Civil and Structural Engineering

Cite this

A repeated cross-sectional evaluation of car ownership. / Pendyala, Ram; Kostyniuk, Lidia P.; Goulias, Konstadinos G.

In: Transportation, Vol. 22, No. 2, 05.1995, p. 165-184.

Research output: Contribution to journalArticle

Pendyala, Ram ; Kostyniuk, Lidia P. ; Goulias, Konstadinos G. / A repeated cross-sectional evaluation of car ownership. In: Transportation. 1995 ; Vol. 22, No. 2. pp. 165-184.
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