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Unit income elasticity of the value of travel time savings

Author

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  • Mogens Fosgerau

    (Danish Transport Research Institute)

Abstract

The paper presents an analysis of the income elasticity of the value of travel time savings (VTTS). It expands on previous micro-econometric estimates of the VTTS on binary choice experimental data by accounting for income taxes, for the dependence of trip length on income and for the stochastic distribution of the VTTS using semiparametric methods. Previous empirical estimates of the elasticity are around 0.6 while in practice i.a. Denmark and the UK (until 2004) apply a unit income elasticity for forecasting the future VTTS in economic evaluations of transport projects. This discrepancy may be resolved as shown in the paper.

Suggested Citation

  • Mogens Fosgerau, 2005. "Unit income elasticity of the value of travel time savings," Urban/Regional 0508007, University Library of Munich, Germany.
    • Handle: RePEc:wpa:wuwpur:0508007
    Note: Type of Document - pdf; pages: 24
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    File URL: https://econwpa.ub.uni-muenchen.de/econ-wp/urb/papers/0508/0508007.pdf
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    References listed on IDEAS

    as
    1. Fosgerau, Mogens, 2006. "Investigating the distribution of the value of travel time savings," Transportation Research Part B: Methodological, Elsevier, vol. 40(8), pages 688-707, September.
    2. DeSerpa, A C, 1971. "A Theory of the Economics of Time," Economic Journal, Royal Economic Society, vol. 81(324), pages 828-846, December.
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    Cited by:

    1. Maria Börjesson & Marco Kouwenhoven & Gerard Jong & Andrew Daly, 2023. "Can repeated surveys reveal the variation of the value of travel time over time?," Transportation, Springer, vol. 50(1), pages 245-284, February.
    2. Fosgerau, Mogens & Bierlaire, Michel, 2007. "A practical test for the choice of mixing distribution in discrete choice models," Transportation Research Part B: Methodological, Elsevier, vol. 41(7), pages 784-794, August.
    3. Li, Zhi-Chun & Wu, Qiao-Yu & Yang, Hai, 2019. "A theory of auto ownership rationing," Transportation Research Part B: Methodological, Elsevier, vol. 127(C), pages 125-146.
    4. Wadud, Zia, 2017. "Fully automated vehicles: A cost of ownership analysis to inform early adoption," Transportation Research Part A: Policy and Practice, Elsevier, vol. 101(C), pages 163-176.
    5. Fosgerau, Mogens, 2006. "Investigating the distribution of the value of travel time savings," Transportation Research Part B: Methodological, Elsevier, vol. 40(8), pages 688-707, September.
    6. Jawaher Binsuwadan & Gerard De Jong & Richard Batley & Phill Wheat, 2022. "The value of travel time savings in freight transport: a meta-analysis," Transportation, Springer, vol. 49(4), pages 1183-1209, August.
    7. Yu, De-Ping & Li, Zhi-Chun, 2023. "Income distribution, implementation sequence, and equity in auto ownership rationing," Transportation Research Part B: Methodological, Elsevier, vol. 173(C), pages 59-89.
    8. Maria Börjesson & Jonas Eliasson, 2019. "Should values of time be differentiated?," Transport Reviews, Taylor & Francis Journals, vol. 39(3), pages 357-375, May.
    9. Deakin, Elizabeth & Dock, Fred & Garry, Gordon & Handy, Susan & McNally, Michael & Sall, Elizabeth & Skabardonis, Alex & Walker, Joan & Rheinhardt, Karl, 2020. "Calculating and Forecasting Induced Vehicle-Miles of Travel Resulting from Highway Projects: Findings and Recommendations from an Expert Panel," Institute of Transportation Studies, Research Reports, Working Papers, Proceedings qt15d2t2gf, Institute of Transportation Studies, UC Berkeley.
    10. Rich, Jeppe & Vandet, Christian Anker, 2019. "Is the value of travel time savings increasing? Analysis throughout a financial crisis," Transportation Research Part A: Policy and Practice, Elsevier, vol. 124(C), pages 145-168.
    11. Gilles Duranton & Diego Puga, 2023. "Urban Growth and Its Aggregate Implications," Econometrica, Econometric Society, vol. 91(6), pages 2219-2259, November.
    12. Steven M. Ramsey & Jason S. Bergtold, 2021. "Examining Inferences from Neural Network Estimators of Binary Choice Processes: Marginal Effects, and Willingness-to-Pay," Computational Economics, Springer;Society for Computational Economics, vol. 58(4), pages 1137-1165, December.
    13. Richard Batley, 2018. "Income effects, cost damping and the value of time: theoretical properties embedded within practical travel choice models," Transportation, Springer, vol. 45(2), pages 623-640, March.
    14. Tjiong, Jeff & Dekker, Thijs & Hess, Stephane & Ojeda Cabral, Manuel, 2022. "The selection of income measures in value of travel time models and their implications for the VTT, its cross-sectional income elasticity and transport appraisal," Research in Transportation Economics, Elsevier, vol. 94(C).
    15. Kifle Wondemu, 2016. "The Economic Value of Time: Evidence from Africa," South African Journal of Economics, Economic Society of South Africa, vol. 84(2), pages 230-244, June.
    16. Binsuwadan, Jawaher & Wardman, Mark & de Jong, Gerard & Batley, Richard & Wheat, Phill, 2023. "The income elasticity of the value of travel time savings: A meta-analysis," Transport Policy, Elsevier, vol. 136(C), pages 126-136.
    17. Daisuke Fukuda & Tetsuo Yai, 2010. "Semiparametric specification of the utility function in a travel mode choice model," Transportation, Springer, vol. 37(2), pages 221-238, March.
    18. Fosgerau, Mogens, 2007. "Using nonparametrics to specify a model to measure the value of travel time," Transportation Research Part A: Policy and Practice, Elsevier, vol. 41(9), pages 842-856, November.
    19. Axhausen, Kay, 2008. "Accessibility: Long Term Perspectives," The Journal of Transport and Land Use, Center for Transportation Studies, University of Minnesota, vol. 1(2), pages 5-22.
    20. Börjesson, Maria & Fosgerau, Mogens & Algers, Staffan, 2012. "On the income elasticity of the value of travel time," Transportation Research Part A: Policy and Practice, Elsevier, vol. 46(2), pages 368-377.
    21. Poudel, Niranjan & Singleton, Patrick A., 2024. "Willingness to pay for changes in travel time and work time: A stated choice experiment of US commuters," Research in Transportation Economics, Elsevier, vol. 103(C).
    22. Savage, Ian, 2010. "The dynamics of fare and frequency choice in urban transit," Transportation Research Part A: Policy and Practice, Elsevier, vol. 44(10), pages 815-829, December.
    23. Swärdh, Jan-Erik, 2008. "Is the intertemporal income elasticity of the value of travel time unity?," Working Papers 2008:3, Swedish National Road & Transport Research Institute (VTI).

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    More about this item

    Keywords

    Willingness to pay; value of time; semiparametric; travel; transport;
    All these keywords.

    JEL classification:

    • R22 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - Household Analysis - - - Other Demand
    • R41 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - Transportation Economics - - - Transportation: Demand, Supply, and Congestion; Travel Time; Safety and Accidents; Transportation Noise
    • C14 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Semiparametric and Nonparametric Methods: General
    • C25 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Discrete Regression and Qualitative Choice Models; Discrete Regressors; Proportions; Probabilities

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