12–17 Jul 2026
University of Graz
Europe/Vienna timezone

Stackelberg evolutionary game theory: how to manage evolving systems

MS78-05
14 Jul 2026, 17:20
20m
15.11 - HS (University of Graz)

15.11 - HS

University of Graz

102
Minisymposium Talk Population Dynamics, Ecology & Evolution Game theory in ecology and evolution

Speaker

Alexander Stein (Universite Libre de Bruxelles & VIB-KU Leuven)

Description

Stackelberg evolutionary game (SEG) theory combines classical and evolutionary game theory to frame interactions between a rational leader and evolving followers. In some of these interactions, the leader wants to preserve the evolving system (e.g. fisheries management), while in others, they try to drive the system to extinction (e.g. pest control). Often the worst strategy for the leader is to adopt a constant aggressive strategy (e.g. overfishing in fisheries management or maximum tolerable dose in cancer treatment). Taking into account the ecological dynamics typically leads to better outcomes for the leader and corresponds to the Nash equilibria in game-theoretic terms. However, the leader’s most profitable strategy is to anticipate and steer the eco-evolutionary dynamics, leading to the Stackelberg equilibrium of the game. In this presentation, we first introduce the concepts underlying SEG theory and follow with applications to fisheries management and cancer treatment, illustrating the benefit of taking eco-evolutionary dynamics into consideration.

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