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Intelligence Service for a Better Information: Application to a Terrorist Threat

Author

Listed:
  • Sylvain Baumann

    (EDEHN - Equipe d'Economie Le Havre Normandie - ULH - Université Le Havre Normandie - NU - Normandie Université)

Abstract
Choosing the best strategy is not always easy when an agent is confronted to a private information on the type of another player. However, spying could be the solution. Indeed, in order to fill this lack of information, an agent could invest in an intelligence service. This private information is present in Bayesian games. The use to the spying is a good alternative in the application to the terrorist problem in the case of an attacker/ defender game. It enables the government to know the nature of the terrorist group or the strategy of them. We focus on two types of terrorists: the fanatics and the moderates. Their objectives and their strategies are not the same, so the government has to adapt to the terrorist threat. The type of the government is common knowledge: strong, average or weak. We compare the different Nash equilibria when spying let us to turn a Bayesian game into a static or dynamic game of complete information.

Suggested Citation

  • Sylvain Baumann, 2019. "Intelligence Service for a Better Information: Application to a Terrorist Threat," Post-Print hal-02949075, HAL.
    • Handle: RePEc:hal:journl:hal-02949075
    Note: View the original document on HAL open archive server: https://hal.science/hal-02949075
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    File URL: https://hal.science/hal-02949075/document
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    References listed on IDEAS

    as
    1. Todd Sandler & Kevin Siqueira, 2006. "Global terrorism: deterrence versus pre-emption," Canadian Journal of Economics, Canadian Economics Association, vol. 39(4), pages 1370-1387, November.
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    Full references (including those not matched with items on IDEAS)

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    More about this item

    Keywords

    Noncooperative Game; Conflict; Bayesian Game; Security; Terrorism;
    All these keywords.

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