tucoopy.power.solidarity¶
Solidarity value.¶
The solidarity value distributes each Harsanyi dividend equally among all members of the coalition.
solidarity_value ¶
solidarity_value(game)
Solidarity value for a TU game.
The solidarity value distributes each Harsanyi dividend equally among all members of the coalition:
\[\phi_i = \sum_{S \ni i} \frac{d(S)}{|S|}.\]
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
game | GameProtocol | TU game. | required |
Returns:
| Type | Description |
|---|---|
list[float] | Solidarity value allocation. |
Notes
- Uses Harsanyi dividends.
- Closely related to the Shapley value but conceptually emphasizes coalition solidarity instead of marginal pivotality.