G-2025-64
Dynamic network formation with farsighted players and limited capacities
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BibTeX referenceWe investigate a \(T\)-stage dynamic network formation game with
linear-quadratic payoffs. Players interact through network which they create
as a result of their actions. We study two versions of the dynamic game and
provide the equilibrium analysis. First, we assume that players sequentially
propose links to others with whom they want to connect and choose the levels
of contribution for their links. The players have limited total
contributions or capacities for forming links at every stage which can
differ among players and over time. They cannot delete links, but the
principle of natural elimination of links with no contribution is adopted.
Next, we assume that the players simultaneously and independently propose
links to other players and have overall limited capacities for the whole
game, and not for each stage. This means that every player can redistribute
the capacity not only over links, but also over time. The equilibrium
concept for the first version of the dynamic game is subgame perfect
equilibrium, while it is the Nash equilibrium in open-loop strategies for
the second version. Both models are illustrated with numerical examples.
Published September 2025 , 20 pages
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