Selection of information types based on personal utility: a testbed for traffic information markets

  • Authors:
  • Franziska Klügl;Ana L. C. Bazzan;Joachim Wahle

  • Affiliations:
  • University of Würzburg, Würzburg, Germany;UFRGS, Porto Alegre, Brazil;TraffGo GmbH, Duisburg, Germany

  • Venue:
  • AAMAS '03 Proceedings of the second international joint conference on Autonomous agents and multiagent systems
  • Year:
  • 2003

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Abstract

Traffic is an interesting research area for multi-agent systems, as the inter-dependence of actions leads to a high frequency of implicit coordination decisions among agents. The present work investigates the simulation of a market for traffic information. This market is implemented as a traffic centre where some measurements of the traffic conditions are evaluated. Simulated data generates information which is "sold" to drivers. Different levels of data aggregation, at different costs, are available. We simulate drivers buying this information and evaluating their utility. Based on their perception of this worthiness they will continue with their strategy of buying (or not) particular forms of information, or will abandon or change such a strategy. Our results are twofold. First, they corroborate previous studies from traffic engineers and traffic economists which i) question the presumption that information is necessarily beneficial for traffic as a whole, and ii) state that drivers who rely only on conventional information are likely to have an inaccurate knowledge of traffic conditions. Second, we show that not all types of simple information bring the same payoff to the informed drivers.