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Zawartość zarchiwizowana w dniu 2024-06-18

The Strong, the Weak and the Cunning: Power and Strategy in Voting Games

Cel

The recent extensions of the European Union brought a priori measures of voting power (power measures or power indices) in the spotlight. Originating from game theory these measures serve as indicators of the voting powers of players in a given voting situation. However, a priori measures of voting power are no more than statistical expectations of power as a result of random voting and therefore power indices lack the game theoretical features attributed to them. We rebuild these game theoretical foundations by introducing strategic power indices: we expand the model by allowing players to reject particular coalitions and thereby possibly increase their power. We characterise strategic power indices and apply them to real-life voting situations, such as the European Union’s Council of Ministers. We discuss implications to values, in particular the Shapley value. Further, we extend these models to farsighted players, players with preferences, such as for games on convex geometries and for games on networks. We also consider a modification of strategic power indices where players can renegotiate blocked coalitions and in these negotiations different credits can be given to critical/pivotal players in the same coalition. Finally, we develop a model to calculate the “true” power of a winning coalition in a parliamentary voting situation, where the power of a particular coalition belongs to the interval [0,1] to reflect the margin by which it is winning/losing.

Dziedzina nauki (EuroSciVoc)

Klasyfikacja projektów w serwisie CORDIS opiera się na wielojęzycznej taksonomii EuroSciVoc, obejmującej wszystkie dziedziny nauki, w oparciu o półautomatyczny proces bazujący na technikach przetwarzania języka naturalnego. Więcej informacji: https://op.europa.eu/en/web/eu-vocabularies/euroscivoc

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Zaproszenie do składania wniosków

FP7-PEOPLE-ERG-2008
Zobacz inne projekty w ramach tego zaproszenia

System finansowania

MC-ERG -

Koordynator

OBUDAI EGYETEM
Wkład UE
€ 9 000,00
Koszt całkowity
Brak danych

Uczestnicy (1)