Séminaires LEMMA

Mardi 2 avril 2019, 11 heures, salle Maurice Desplas

Marcus PIVATO (Laboratoire THEMA*, Université de Cergy-Pontoise)

Co-écrit avec Arnold SOH (THEMA, Université de Cergy-Pontoise)

* Théorie économique, modélisation et applications

Weighted representative democracy

Abstract :

We propose a new system of democratic representation. Any voter can choose any legislator as her representative; thus, different legislators can represent different numbers of voters. Decisions in the legislature are made by weighted majority voting, where the weight of each legislator is determined both by the number of voters she represents, and the level of confidence each of these voters expresses in her judgement. We show that, if the size of the electorate is very large, then with very high probability, the decisions obtained in the legislature agree with those which would have been reached by a popular referendum decided by simple majority vote.


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