ON THE OVERSPECIFICATION OF MULTINOMIAL AND NESTED LOGIT MODELS
DUE TO ALTERNATIVE SPECIFIC CONSTANTS

M. Bierlaire , T. Lotan and Ph. Toint

August, 1996.

Intelligent Transportation Systems Program
Massachusetts Institute of Technology, Cambridge, Ma
E-mail: michel@trumpet.mit.edu
*[1.5ex] Service de Mathématique de la Gestion
Université Libre de Bruxelles, Brussels, Belgium
E-mail: tlotan@ulb.ac.be
*[1.5ex] Transportation Research Group -- Department of Mathematics,
Facultés Universitaires ND de la Paix, Namur, Belgium
E-mail: pht@math.fundp.ac.be
*[1.5ex] Current reports available as http

• The Nested Logit Model
• Geometrical aspects of overspecification due to ASCs
• Strategies for resolving the overspecification
• Algorithmic implications and practical comments
• Conclusion
• Acknowledgments
• References