research unit 1

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Type of publication:Incollection
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TitleIncentive-Compatible Robust Line Planning
Bibtex cite IDRACTI-RU1-2009-15
Booktitle Robust and Online Large-Scale Optimization
Year published 2009
Month February
Pages 85-118
Chapter 4
Publisher Springer-Verlag
The problem of robust line planning requests for a set of origin-destination paths (lines) along with their frequencies in an underlying railway network infrastructure, which are robust to uctuations of real-time parameters of the solution. In this work, we investigate a variant of robust line planning stemming from recent regulations in the railway sector that introduce competition and free railway markets, and set up a new application scenario: there is a (potentially large) number of line operators that have their lines xed and operate as competing entities struggling to exploit the underlying network infrastructure via frequency requests, while the management of the infrastructure itself remains the responsibility of a single (typically governmental) entity, the network operator. The line operators are typically unwilling to reveal their true incentives. Nevertheless, the network operator would like to ensure a fair (or, socially optimal) usage of the infrastructure, e.g., by maximizing the (unknown to him) aggregate incentives of the line operators. We show that this can be accomplished in certain situations via a (possibly anonymous) incentivecompatible pricing scheme for the usage of the shared resources, that is robust against the unknown incentives and the changes in the demands of the entities. This brings up a new notion of robustness, which we call incentive-compatible robustness, that considers as robustness of the system its tolerance to the entities' unknown incentives and elasticity of demands, aiming at an eventual stabilization to an equilibrium point that is as close as possible to the social optimum.
Kontogiannis, Spyros
Zaroliagis, Christos
Mpessas, Apostolos
BKZ-Inc-Com-Rob-Line-Plan-1.pdf (main file)
Publication ID629