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16 May 2022, Computational Social Choice Seminar cancelled

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Title: Proportionality in Approval-Based Participatory Budgeting
Date: Monday 16 May 2022
Time: 16:00

Abstract

Participatory budgeting (PB) is a democratic process where citizens jointly decide on how to allocate public funds to indivisible project. How such processes can be designed in a fair and proportional way is an important question that has received growing attention in the literature in recent years. One of the main challenges for defining fairness in PB is the use of approval ballots in nearly all practical applications of PB, which means that the satisfaction or utility of an outcome for a voter needs to be approximated form the limited information these ballots provide. A number of different satisfaction functions have been proposed for this purpose in the literature, which generally lead to incomparable fairness notions.

In this talk, I present a general framework in which nearly all fairness notions proposed in the literature can be formulated and compared. Moreover, I define rules that can be adapted to all prominent satisfaction functions. Finally, I show that some fairness criteria can be satisfied by a natural voting rule for a large class of satisfaction functions at the same time.

For more information on the Computational Social Choice Seminar, please consult https://staff.science.uva.nl/u.endriss/seminar/.

Please note that this newsitem has been archived, and may contain outdated information or links.