Friday, 15:45 - 16:10 h, Room: MA 043


Tobias Harks
Congestion games with variable demands

Coauthor: Max Klimm


We initiate the study of congestion games with variable
demands where the (variable) demand has to be assigned to exactly
one subset of resources. The players' incentives to use higher
demands are stimulated by non-decreasing and concave utility
functions. The payoff for a player is defined as the difference
between the utility of the demand and the associated cost
on the used resources. Although this class of non-cooperative
games captures many elements of real-world applications, it has not
been studied in this generality, to our knowledge, in the past.
We study the fundamental problem of the existence of pure Nash equilibria.
As our main result we give a complete characterizations of cost functions
that ensure the existence of at least one pure Nash equilibrium.


Talk 2 of the invited session Fri.3.MA 043
"Analysis of equilibria in noncooperative games" [...]
Cluster 8
"Game theory" [...]


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