Distortion in Social Choice Problems: The First 15 Years and Beyond

03/01/2021
by   Elliot Anshelevich, et al.
0

The notion of distortion in social choice problems has been defined to measure the loss in efficiency – typically measured by the utilitarian social welfare, the sum of utilities of the participating agents – due to having access only to limited information about the preferences of the agents. We survey the most significant results of the literature on distortion from the past 15 years, and highlight important open problems and the most promising avenues of ongoing and future work.

READ FULL TEXT

page 1

page 2

page 3

page 4

research
09/14/2020

A Few Queries Go a Long Way: Information-Distortion Tradeoffs in Matching

We consider the one-sided matching problem, where n agents have preferen...
research
03/03/2022

Don't Roll the Dice, Ask Twice: The Two-Query Distortion of Matching Problems and Beyond

In most social choice settings, the participating agents are typically r...
research
07/18/2019

Peeking Behind the Ordinal Curtain: Improving Distortion via Cardinal Queries

Aggregating the preferences of individuals into a collective decision is...
research
05/15/2023

A Note on Rules Achieving Optimal Metric Distortion

In this note, we uncover three connections between the metric distortion...
research
11/16/2021

On the Randomized Metric Distortion Conjecture

In the single winner determination problem, we have n voters and m candi...
research
03/12/2022

Efficiency in Random Resource Allocation and Social Choice

We study efficiency in general collective choice problems when agents ha...
research
07/30/2020

Social Choice Optimization

Social choice is the theory about collective decision towards social wel...

Please sign up or login with your details

Forgot password? Click here to reset