Coalition (game theory)
= Coalition
{disambiguate=game theory}
{title2=$S\subseteq N$}
= Coalition
{synonym}
A <coalition> is a subset of the players in a <transferable utility game>, considered as a group that can act together. The game assigns it value $v(S)$. The <core of a cooperative game> constrains the total payoff assigned to every <coalition>, while a <marginal contribution> measures the value gained by adding one player.