Pradžia: 2021-11-11 16:00
Pabaiga: 2021-11-11 17:30

Center of Expertise in Economics is delighted to invite you to the Economics Research Seminar which will be given by Georgios Petropoulos (Massachusetts Institute of Technology, Bruegel, Stanford). The seminar will take place online in MS Teams platform (see the link below).

click here to join the meeting

Date and time: 11 November, 4PM

Speaker: Georgios Petropoulos (Massachusetts Institute of Technology, Bruegel, Stanford). Home | Georgios Petropoulos (

Title: Economics Research Seminar - G. Petropoulos (MIT) (see the paper attached)

Co-authors: Bertin Martens (Tilburg University), Geoffrey Parker (Dartmouth College), Marshall Van Alstyne (Boston University).

Abstract: Digital platforms facilitate interactions between consumers and merchants that allow collection of profiling information which drives innovation and welfare. Private incentives, however, lead to information asymmetries resulting in market failures both on-platform, among merchants, and off-platform, among competing platforms. This paper develops two product differentiation models to study private and social incentives to share information within and between platforms. We show that there is scope for ex-ante regulation of mandatory data sharing that improves social welfare better than competing interventions such as barring entry, break-up, forced divestiture, or limiting recommendation steering. These alternate proposals do not make efficient use of information. We argue that the location of data access matters and develop a regulatory framework that introduces a new data right for platform users, the in-situ data right, which is associated with positive welfare gains. By construction, this right

enables effective information sharing, together with its context, without reducing the value created by network effects. It also enables regulatory oversight but limits data

privacy leakages. We discuss crucial elements of its implementation in order to achieve innovation friendly and competitive digital markets.


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