Economics serving society


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Social media, platforms and networks have become ever more important in economic interactions and central to current economic policy debate. Nowadays, many platforms enable and facilitate trade between buyers and sellers. Potential examples include stock exchanges, currencies, flea markets, shopping malls, newspapers, magazines, broadcasters, Electronic payment systems, software platforms, and digital marketplaces. These are two-sided markets, in which two groups interact through an intermediary, or platform, that accounts for the externalities between the groups.

In this program, we will focus on search engines or communication networks such as the media and the internet and we will attempt to provide insights on the following issues: How do competitive forces shape advertising levels and revenues? How are social media platforms used to disseminate information about new products? How much information obfuscation should a platform maintain in order to preserve some market power for sellers while remaining attractive to consumers? Are specific arrangements such as exclusive contracts or vertical integration, most favored-nation (MFN) clauses, or strategic mergers, pro- or anti-competitive?


The program will discuss the main theoretical insights suggested by the economic literature and will propose several empirical tests using real case examples that involve important actors such as radio and television broadcasters, eBay, Google, Facebook, Twitter or Real estate platforms.


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Intermediate knowledge of Game Theory, Microeconomics and Econometrics (Master level or very good undergraduate level). Each professor has additional pre-requisites in each course description.

How will professionals benefit from the programme

Practitioners interested in antitrust laws and economics will have the opportunity to discuss competition cases related to exclusionary strategies (abuses of dominant positions in Europe) and collusion. This course will focus on specific issues such as how dominant firms can use exclusivity clauses and market-share discounts in order to deter entry or evict competitors.

How will students benefit from the programme

This program will discussing theoretical and empirical tools that can be used by Master students and PhDs to develop their economic models in the course of their future scientific career.

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