Echo chambers and their effects on economic and political outcomes

G Levy, R Razin - Annual Review of Economics, 2019 - annualreviews.org
In this review, we survey the economics literature on echo chambers. We identify echo
chambers as arising from a combination of two phenomena:(a) the choice of individuals to …

Persuasion with correlation neglect: a full manipulation result

G Levy, IM Barreda, R Razin - American Economic Review: Insights, 2022 - aeaweb.org
We consider an information design problem in which a sender tries to persuade a receiver
that has “correlation neglect,” ie, fails to understand that signals might be correlated. We …

Algorithmic robust forecast aggregation

Y Guo, JD Hartline, Z Huang, Y Kong, A Shah… - arXiv preprint arXiv …, 2024 - arxiv.org
Forecast aggregation combines the predictions of multiple forecasters to improve accuracy.
However, the lack of knowledge about forecasters' information structure hinders optimal …

[PDF][PDF] Tailored stories

C Aina - 2023 - chiaraaina.github.io
I study the problem of a persuader who proposes a set of models to manipulate how a
boundedly rational agent interprets observable signal realizations. The persuader does not …

[PDF][PDF] Adversarial bilateral information design

G Ziegler - 2020 - qmul.ac.uk
Abstract Information provision is a significant component of business-to-business interaction.
Furthermore, the provision of information is often conducted bilaterally. This precludes the …

Are you smarter than a random expert? The robust aggregation of substitutable signals

E Neyman, T Roughgarden - Proceedings of the 23rd ACM Conference …, 2022 - dl.acm.org
The problem of aggregating expert forecasts is ubiquitous in fields as wide-ranging as
machine learning, economics, climate science, and national security. Despite this, our …

Robust merging of information

H De Oliveira, Y Ishii, X Lin - arXiv preprint arXiv:2106.00088, 2021 - arxiv.org
When multiple sources of information are available, any decision must take into account
their correlation. If information about this correlation is lacking, an agent may find it desirable …

Robust decision aggregation with second-order information

Y Pan, Z Chen, Y Kong - Proceedings of the ACM on Web Conference …, 2024 - dl.acm.org
We consider a decision aggregation problem with two experts who each make a binary
recommendation after observing a private signal about an unknown binary world state. An …

Belief formation under signal correlation

T Hossain, R Okui - Games and Economic Behavior, 2024 - Elsevier
This paper demonstrates the importance of considering incorrect perceptions of variance in
characterizing people's belief formation rules when they suffer from correlation neglect …

Peer Expectation in Robust Forecast Aggregation: The Possibility/Impossibility

Y Kong - arXiv preprint arXiv:2402.06062, 2024 - arxiv.org
Recently a growing literature study a new forecast aggregation setting where each
forecaster is additionally asked``what's your expectation for the average of other forecasters' …