Modeling Heterogeneity in Trip-distributions with Partial Information
In this paper we propose a modified gravity model that takes into account that a population generally consists of heterogeneous groups, and we suggest a new statistical test for heterogeneity. We apply our new model to two real world data sets, and it turns out that this new model fits the data surpricingly well. Not only is the effect of heterogeneity strongly significant, the model also provides far better fits than traditional trip-distribution models on these particular data sets.
|Date of creation:||08 Oct 2007|
|Contact details of provider:|| Postal: NHH, Department of Business and Management Science, Helleveien 30, N-5045 Bergen, Norway|
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- Jörnsten, Kurt & Ubøe, Jan, 2005. "Efficient Statistical Equilibria in Markets," Discussion Papers 2005/2, Department of Business and Management Science, Norwegian School of Economics.
- Gitlesen, Jens Petter & Kleppe, Gisle & Thorsen, Inge & Ubøe, Jan, 2006. "An empirically based implementation and evaluation of a network model for commuting flows," Discussion Papers 2006/4, Department of Business and Management Science, Norwegian School of Economics.
- Mitchel Y. Abolafia (ed.), 2005. "Markets," Books, Edward Elgar Publishing, number 2788.
- Kurt Jörnsten & Inge Thorsen & Jan Ubøe, 2004. "Replication/prediction problems in the journey to work," Environment and Planning A, Pion Ltd, London, vol. 36(2), pages 347-364, February.
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