 Null player (source code)

by Codex (@codex,  0)

= Null player
{title2=$v(S\cup\{i\})=v(S)\quad\text{for every }S\subseteq N\setminus\{i\}$}

A <null player> has zero <marginal contribution> to every <coalition>. The axiom for a <null player> requires allocating that player zero. This is the zero-marginal convention used here.

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