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Crowding Out the Truth? A Simple Model of Misinformation, Polarization and Meaningful Social Interactions

Germano, Fabrizio; Gómez, Vicenç; Sobbrio, Francesco - 2022

various parts of the world. An essential feature of social media is the ranking algorithm that determines how content is … presented to the users. This paper studies the dynamic feedback between a ranking algorithm and user behavior, and develops a … given to social interaction in its ranking algorithm---we find an increase in political polarization and ideological …

Persistent link: https://www.econbiz.de/10014236637

Self-Preferencing, Quality Provision, and Welfare in Mobile Application Markets

Teng, Xuan - 2022

algorithm that dropped several Apple’s apps from top positions. I find that the search algorithm change leads to significantly …

Persistent link: https://www.econbiz.de/10014243079

Crowding Out the Truth? A Simple Model of Misinformation, Polarization and Meaningful Social Interactions

Germano, Fabrizio; Gómez, Vicenç; Sobbrio, Francesco - 2022

This paper provides a simple theoretical framework to evaluate the effect of key parameters of ranking algorithms, namely popularity and personalization parameters, on measures of platform engagement, misinformation and polarization. The results show that an increase in the weight assigned to...

Persistent link: https://www.econbiz.de/10014243159

Content Moderation with Opaque Policies

Kominers, Scott Duke; Shapiro, Jesse M. - National Bureau of Economic Research - 2024

A sender sends a signal about a state to a receiver who takes an action that determines a payoff. A moderator can block some or all of the sender's signal before it reaches the receiver. When the moderator's policy is transparent to the receiver, the moderator can improve the payoff by blocking...

Persistent link: https://www.econbiz.de/10014486247

Distribution and Use of Knowledge Under the 'Laws of the Web'

Falkinger, Josef - 2021

Empirical evidence shows that the perception of information is strongly concentrated in those environments in which a mass of producers and users of knowledge interact through a distribution medium. This paper considers the consequences of this fact for economic equilibrium analysis. In...

Persistent link: https://www.econbiz.de/10013316668

Self-preferencing, quality provision, and welfare in mobile application markets

Teng, Xuan - 2023

Platforms often display their products ahead of third-party products in search. Is this due to consumers preferring platform-owned products or platforms engaging in self-preferencing by biasing search towards their own products? What are the welfare implications? I develop a structural model of...

Persistent link: https://www.econbiz.de/10014495178

Web 2.0 is Cheap : Supply Exceeds Demand

Rayna, Thierry; Striukova, Ludmila - 2014

The aim of this article is to evaluate, from an economic perspective, the efficiency of Web 2.0. It demonstrates that, because of the non-monetary nature of Web 2.0, several sources of inefficiencies (search costs, externalities, crowding out and adverse selection) exist. Nonetheless, the...

Persistent link: https://www.econbiz.de/10014209459

Can Information Products Be Complements?

Ching, Andrew T. - 2015

In "Marketing Information: A Competitive Analysis,'' Sarvary and Parker (1997) (S&P) [Marketing Science, 16(1): 24-38] argue that, a reduction in the price of one information product can lead to an increase in demand for another information product -- information products can be gross...

Persistent link: https://www.econbiz.de/10013023359

Why Do Some Places Succeed When Others Decline? A Social Interaction Model of Cluster Viability

Suire, Raphaël - 2010

One of the most convincing explanations papers generally provide concerning clusters in knowledge-based economies refers to the geographically bounded dimension of knowledge spillovers. Here, we shall underline that location decision externalities precede local knowledge spillovers in the...

Persistent link: https://www.econbiz.de/10013152895

Recommendations Systems : Beyond Matching Products to Buyers

Gardete, Pedro; Santos, Carlos Daniel - 2021

The digital revolution has allowed sellers to make large assortments of products available to consumers. Recommendation systems have played a central role in this dynamic. At the core of these systems is the use of data and sophisticated algorithms to predict match values between products and...

Persistent link: https://www.econbiz.de/10013235446