A constant sum game is one in which v(S) + v(N − S) = v(N) for all coalitions S ⊂ N. Show that any essential constant sum game must have empty core C(0) = ∅.

A constant sum game is one in which v(S) + v(N − S) = v(N) for all coalitions S ⊂ N. Show that any essential constant sum game must have empty core C(0) = ∅.

A constant sum game is one in which v(S) + v(N − S) = v(N) for all coalitions S ⊂ N. Show that any essential constant sum game must have empty core C(0) = ∅.

A constant sum game is one in which v(S) + v(N − S) = v(N) for all coalitions S ⊂ N. Show that any essential constant sum game must have empty core C(0) = ∅.