Insegnamento a.a. 2024-2025

30708 - THE ECONOMICS OF SOCIAL MEDIA

Department of Economics

Course taught in English
Go to class group/s: 31
CLEAM (6 credits - I sem. - OP  |  SECS-P/04) - CLEF (6 credits - I sem. - OP  |  SECS-P/04) - CLEACC (6 credits - I sem. - OP  |  SECS-P/04) - BESS-CLES (6 credits - I sem. - OP  |  SECS-P/04) - WBB (6 credits - I sem. - OP  |  SECS-P/04) - BIEF (6 credits - I sem. - OP  |  SECS-P/04) - BIEM (6 credits - I sem. - OP  |  SECS-P/04) - BIG (6 credits - I sem. - OP  |  SECS-P/04) - BEMACS (6 credits - I sem. - OP  |  SECS-P/04) - BAI (6 credits - I sem. - OP  |  SECS-P/04)
Course Director:
RAFAEL JIMENEZ DURAN

Classes: 31 (I sem.)
Instructors:
Class 31: RAFAEL JIMENEZ DURAN


Suggested background knowledge

It is recommended to have some basic knowledge of economics (consumer and producer problems, demand and supply, market equilibrium) and statistics (p-values, confidence intervals).

Mission & Content Summary

MISSION

Social media is an important part of our everyday lives, for better or worse. It has the power to bring people together but also to threaten democracy. In this course, we will study social media through an economics lens, analyzing how it shapes the incentives of users, platforms, firms, news organizations, politicians, and governments. To do so, we will review basic models of individual and firm behavior, borrowing tools from the most “rational” economic frameworks but also covering important psychological biases from the behavioral economics literature. Armed with this toolkit, we will review frontier empirical literature, studying questions such as: How can we incentivize the production of “good” content and mitigate harmful content? Are the incentives of platforms aligned with users’ interests? What are the consequences of social media algorithms optimizing for engagement? Do algorithms cause echo chambers? What are the political effects of social media? Does it harm users? This course contributes to the education program by showcasing how to apply basic economic knowledge to answer some of the most pressing challenges in our society.

CONTENT SUMMARY

Theory: “Rational” models and Behavioral economics 

1.     Network effects and network models

2.     Two-sided markets

3.     Quality provision 

4.     Advertising

5.     Persuasion

6.     Social image concerns

 

 

Empirics

1 Content production

·       Incentivizing content creation 

·       Spillovers to content (e.g., news) outside social media 

·       Deterring harmful content: misinformation and hate speech

2 Content distribution through algorithms

·       How segregated is online news consumption? 

·       Value of social media advertising 

·       Consumer data and privacy 

·       Political advertising 

3  Content consumption

·       Consumer welfare 

·       Effects on mental health 

·       Effects on polarization and violence 

·       Political effects

4    Using social media as data 

5    Comparison to traditional media 

6    Running experiments on social media 

7    Getting and handling social media data


Intended Learning Outcomes (ILO)

KNOWLEDGE AND UNDERSTANDING

At the end of the course student will be able to...

·       Recognize the basic models that explain behavior on social media (of both users and platforms), combining “rational” approaches and behavioral economics.

·       Distinguish the different stages of the creation of user-generated content and how they affect individuals and society as a whole.

·       Describe the differences and similarities between social media and traditional media.

·       State the types of data provided by social media and the types of experiments or quasi experiments that can be conducted in this setting. 

·       Explain some of the most relevant policy questions regarding social media.

APPLYING KNOWLEDGE AND UNDERSTANDING

At the end of the course student will be able to...

·       Analyze the academic literature. Evaluate an individual academic article and synthesize findings across different articles.

·       Examine the important information from an article and present it.

·       Evaluate “folk wisdom” arguments and popular policies proposed to address challenges posed by social media. 

·       Assess the market failures that underlie the key problems of social media, and formulate potential solutions. 


Teaching methods

  • Lectures
  • Practical Exercises
  • Collaborative Works / Assignments
  • Interaction/Gamification

DETAILS

The learning experience of this course includes face-to-face lectures by the instructors.

 

The instructor will additionally provide some coding examples and practical exercises to practice how to obtain and manipulate social media data.

 

In addition, students are also asked to prepare one group presentation on 1) a research paper, 2) a public policy proposal, or 3) a startup idea. 

 

These presentations are used to introduce students to the critical evaluation of empirical research and to solidify the concepts learned in class. Further, the presentations are intended to stimulate discussions about solutions to pressing questions related to social media. This will allow the students to develop their own ideas about future social-media related projects, whatever their future path is.

 

 


Assessment methods

  Continuous assessment Partial exams General exam
  • Written individual exam (traditional/online)
    x
  • Collaborative Works / Assignment (report, exercise, presentation, project work etc.)
x    
  • Peer evaluation
x    

ATTENDING STUDENTS

With the purpose of measuring the acquisition of the above-mentioned learning outcomes, the students’ assessment is based on two main components:

  1. Team presentation (50% of the final grade) aimed to test the students’ ability to synthesize and evaluate the academic literature and communicate their analysis. Students can present a summary and evaluation of an existing research article or can present a new research design or a public policy/startup proposal. In the case of presenting a research article, students will be asked to critically assess its methodology. In the case of a public policy/startup proposal, students will be asked to analyze which market failure is being address and to discuss strengths and weakenesses in light of empirical evidence from existing research. The grade will be a combination of a grade assigned by the instructor and a grade assigned by their peers. More details about assessment criteria will be made available in Blackboard.
  2. Written exam (50% of the final grade), consisting of multiple-choice and open questions aimed to assess students’ ability to apply the tools illustrated during the course. The exam will also include short statements to discuss, aimed to assess students’ ability to articulate economic reasoning and to evaluate the potential effects of a given business practice/policy action.

NOT ATTENDING STUDENTS

Students’ assessment will be based on the written exam with the same content and weight distribution of that applied to attending students.


Teaching materials


ATTENDING AND NOT ATTENDING STUDENTS

  • Aridor, G., Jiménez-Durán, R., Levy, R. E., & Song, L. (Forthcoming). "The Economics of Social Media." Journal of Economic Literature
  • More research articles that will be indicated or uploaded to the Blackboard platforms
Last change 27/05/2024 09:12