Calendrier du 06 juin 2023
PSI-PSE (Petit Séminaire Informel de la Paris School of Economics) Seminar
Du 06/06/2023 de 17:00 à 18:00
R1-13
LOUBES Romaine (PSE)
When gender-biased parental investments amplify human capital gaps: results from the adaptation of a human capital production model
Paris Trade Seminar
Du 06/06/2023 de 14:30 à 16:00
PSE, 48 boulevard Jourdan, 75014 Paris, salle R2-01
SIMONOVSKA Ina (U. California, Davis)
Cancelled
Applied Economics Lunch Seminar
Du 06/06/2023 de 12:30 à 13:30
Salle R2.01, Campus Jourdan
HENGEL Moritz (SciencesPo)
Fact-Checking and Misinformation: Evidence from the Market Leader
What are the dynamic effects of fact-checking on the behavior of those who circulate misinformation and on the spread of false news? To address this question, we build a unique partnership with the “Agence France Presse” (AFP), the largest fact-checking organization in the world. We collected for a year, during the daily editorial meetings, the stories proposed by journalists, some of which are ultimately fact-checked while others, despite been “similar”, are left aside due to a lack of resources. Using a Difference-in-Differences approach, we show that Facebook posts related to stories that are fact-checked circulate less compared to stories that were considered but not ultimately fact-checked. This effect disappears when the rating is a warning (partly false, missing context) rather than a more prominent false flag. Moreover, using within fact-checked stories post-level variations, and taking advantage of the fact that journalists, due to a time constraint, do not rate all the posts associated to a story, we document that circulation of posts receiving an ambiguous rating increases after the fact check is published, as well as other interactions (comments and likes) with the post. This suggests a backfiring effect fuelled by reactions to the rating.