Airport and Access Mode Choice in Germany: A Generalized Neural Logit Model Approach

Marc Gelhausen

MPRA Paper from University Library of Munich, Germany

Abstract: The purpose of the paper is to present a novel approach of a general airport and access mode choice model. Based on data of the German Air Traveller Survey 2003 with a sample size of about 210.000 passengers interviewed at 21 airports a three-stage nested logit model has been estimated in a first step. 7 different access modes to the airport are modelled, subdivided into four private and three public travel modes. The model includes 7 different market segments: Domestic, European and Intercontinental travel, each segment split up into private and business travel. The European private travel segment is further subdivided into short stay trips and holiday travel. The aim is to develop a generally applicable airport and access mode choice model. Thereby it is possible to analyse future in terms of new airport constellations and new airport access modes. To achieve this, Kohonens Self-Organizing-Maps are used to identify different airport clusters and assign every airport to the appropriate cluster. Based on these airport clusters the aforementioned nested logit model has been estimated. In a second step, neural networks are applied to the problem of airport and access mode choice. On the basis of neural networks a new kind of discrete choice model called "Generalized Neural Logit Model" has been developed. To optimize the network structure genetic algorithms have been applied. Such a model fits into the structure of a General Extreme Value model and satisfies the condition of utility maximization. A second airport and access mode choice model based on the Generalized Neural Logit Model and the airport clusters has been estimated. Although the former approach showed for most market segments a good model fit, the new approach showed a significant increase in model fit especially for those market segments the model fits of which in the nested logit model were less satisfying.

Keywords: Airport and access mode choice model; Concept of alternative groups; Discrete choice model; Generalized Neural Logit-Model; Kohonen’s Self Organizing Maps; Artificial neural networks (search for similar items in EconPapers)
JEL-codes: C14 C25 C53 (search for similar items in EconPapers)
Date: 2006-08, Revised 2006-09
New Economics Papers: this item is included in nep-dcm and nep-ure
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

Published in Proceedings of the 2006 European Transport Conference (2006): pp. 1-32

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https://mpra.ub.uni-muenchen.de/11956/3/MPRA_paper_11956.pdf revised version (application/pdf)

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