iiinova — where your digital self keeps evolving

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Centre for Economics at Paris-Saclay — CEPS @ceparis-saclay.bsky.social · 23/09/2026

Welcome to @andrewkosenko.bsky.social, Associate Professor of Economics at Marist University, who joins CEPS as Visiting Professor for the fall semester! Andrew works on micro theory, with a focus on games, information and behavioral economics. ➡️ www.columbia.edu/~ak2912/

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Centre for Economics at Paris-Saclay — CEPS @ceparis-saclay.bsky.social · 19/09/2026

Welcome to @jasonhartline.bsky.social, Prof. of Computer Science at Northwestern, who joins CEPS as Visiting Professor for the 2026-27 academic year! His research brings CS methods to economics, law, and AI ➡️ sites.northwestern.edu/hartline/ His visit is supported by @dataiainstitute.bsky.social.

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Jason Hartline @jasonhartline.bsky.social · 11/09/2026

In the long run, academic communities that promote diversity, equity, and inclusion will win. If yours doesn't, there are ones that do. It's great to see these priorities on display at @ceparis-saclay.bsky.social. It's great to be doing research in Paris.

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Olivier Bos @olivierbos.bsky.social · 14/07/2026

This is the 2nd chapter of Cyril's PhD. He is an outstanding young scholar. He will join the Univ. of Padova next semester. If you're interested in affirmative action, I highly recommend his JMP "Job Matching and Affirmative Action: The Impact of Transfer Policies" drive.google.com/file/d/1pk0Y...

drive.google.com

Job_Matching_and_Affirmative_Action__The_Impact_of_Transfer_Policies_July26.pdf

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ArXiv Paperboy (Econ.GN + Econ.TH) @arxivecongnbot.bsky.social · 16/06/2026

arXiv📈🤖 AI Contagion in Social Networks By Bos, Bosi

We study how artificial intelligence (AI) interacts with social communication networks to shape the stability of collective knowledge. Agents exchange information through a network while receiving AI-generated content, and AI systems retrain on the aggregate social information they influence. This interaction generates two feedback forces: an AI contagion channel, through which distortions diffuse across the network, and an AI social distortion multiplier, through which retraining amplifies past errors. Despite the high dimensionality of the environment, we show that the long-run behavior of the system admits a two-dimensional representation whose spectral radius determines whether AI-mediated information systems are dynamically stable or unstable. We characterize a sharp regulatory frontier identifying the minimum filtering required for stability and show how network topology shapes systemic informational risk.

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Centre for Economics at Paris-Saclay — CEPS @ceparis-saclay.bsky.social · 13/06/2026

📍CEPS Workshop | European Workshop on Market Design The CEPS is pleased to announce the 6th European Workshop on Market Design taking place on 17-18 June. ➡️ Information & Program: www.marketdesign-workshop.com/outline.html @univparissaclay.bsky.social

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Olivier Bos @olivierbos.bsky.social · 13/06/2026

It was a pleasure to welcome Konstantinos Matakos (@kingscollegelondon.bsky.social) to @ceparis-saclay.bsky.social. Highly recommended lecture for anyone interested in climate politics and political economy.

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Paris School of Economics @pse.bsky.social · 07/01/2026

It is with deep sadness that the Paris School of Economics community and the academic world have learned of the passing of Roger Guesnerie, its founding president. His intellectual legacy will continue to inspire the academic community.

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Jean-Marc Tallon @jmtallon.bsky.social · 07/01/2026

And an excellent paper "Roger Guesnerie: an Hors catégorie carreer" www.jstor.org/stable/pdf/1... We shall miss him very much

jstor.org

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Centre for Economics at Paris-Saclay — CEPS @ceparis-saclay.bsky.social · 28/11/2025

🎓 CEPS Job Market 2025-2026 🔎 Meet Valentina Alvarez-Saavedra (CEPS — ENS Paris-Saclay & @bsebordeaux.bsky.social) ➡️ Her #EconJMP shows climate shocks in Chile hurt the poorest and enrich the richest. ➡️ www.ceps-paris-saclay.fr/study/job-ma... #JobMarket

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Centre for Economics at Paris-Saclay — CEPS @ceparis-saclay.bsky.social · 26/11/2025

🎓 CEPS Job Market 2025-2026 🔎 Meet Patrick Lahr (CEPS — ENS Paris-Saclay) ➡️ His #EconJMP characterizes extreme points in multi-dimensional screening and explains why the theory has failed to provide meaningful predictions. ➡️ Paper & CV: www.ceps-paris-saclay.fr/study/job-ma... #JobMarket

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Centre for Economics at Paris-Saclay — CEPS @ceparis-saclay.bsky.social · 25/11/2025

🎓 CEPS Job Market 2025-2026 🔎 Meet Cyril Rouault (CEPS – ENS Paris-Saclay & GRANEM - U. Angers) ➡️ His #JobMarketPaper shows that only uniform transfers protect minority workers from unintended harms of affirmative-action policies. ➡️ Paper & CV: www.ceps-paris-saclay.fr/study/job-ma... #JobMarket

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Centre for Economics at Paris-Saclay — CEPS @ceparis-saclay.bsky.social · 24/11/2025

🎓 CEPS Job Market Candidates 2025-2026 Three CEPS candidates are available onto the international academic job market this year! ➡️ Get to know their prolifes: www.ceps-paris-saclay.fr/study/job-ma... ➡️ We spotlight each candidate this week! ✨ #JobMarket #Economics @univparissaclay.bsky.social

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Centre for Economics at Paris-Saclay — CEPS @ceparis-saclay.bsky.social · 14/11/2025

🎉 Congratulations to @nmoreaukastler.bsky.social recipient of the 2nd prize of the Chancellerie des Universités de Paris for her PhD on International Regulations, Regulation Avoidance & the Case of Extractive Industries. ➡️ More information about her work: ninonmoreaukastler.com

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Olivier Bos @olivierbos.bsky.social · 08/11/2025

Cyril's PhD consists of 5 papers on various topics in matching (2 R&R in SCW and TE). He addresses difficult and important questions on school choice & affirmative action. His job market paper (not yet submitted) focuses on affirmative action, with direct & significant public policy implications.

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Centre for Economics at Paris-Saclay — CEPS @ceparis-saclay.bsky.social · 06/11/2025

📍CEPS Seminar | 📅 Nov. 07 | ⏰ 12.15pm Tomorrow at the Economic Theory Seminar: Guillaume Haeringer @gur1g.bsky.social, from @baruch.cuny.edu, will present 'Information and Self-selection in School Choice: An Experiment.' ➡️ www.ceps-paris-saclay.fr/events/event...

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Centre for Economics at Paris-Saclay — CEPS @ceparis-saclay.bsky.social · 11/10/2025

📽️ Video | CEPS Lecture Series The September CEPS Lecture is online! Pierfrancesco Guarino (University of Udine) explores “Capturing Misalignment” in a lecture that is both pedagogical and entertaining. 📺 Watch now on our YouTube channel: www.youtube.com/watch?v=HxUC...

youtube.com

Pierfrancesco Guarino (Univ. of Udine) — Capturing Misalignment

YouTube video by Centre for Economics at Paris-Saclay — CEPS

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Centre for Economics at Paris-Saclay — CEPS @ceparis-saclay.bsky.social · 09/10/2025

📺 In the news Comment la hausse des inégalités de revenu contribue à la formation de bulles de crédit aux ménages? Retrouvez @jhericourt.bsky.social, prof. au @ceparis-saclay.bsky.social, dans la La Minute Science de l'@univevry.bsky.social! ➡️ A visionner ici: www.youtube.com/shorts/aM6Aj...

youtube.com

La Minute Science, Jérôme Héricourt

YouTube video by Université Évry Paris-Saclay

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Olivier Bos @olivierbos.bsky.social · 24/09/2025

L’immigration : fantasme d’une invasion pour l’extrême droite, bénéfice réel pour nos sociétés. Plus son accueil sera organisé et humanisé, plus elle sera bénéfique. Carte blanche du département de SHS de l'ENS Paris-Saclay dans l' @nouvelobs.com www.nouvelobs.com/societe/2025...

nouvelobs.com

Immigration : « Les données contredisent la fantasmagorie d’un déferlement migratoire »

Pour l’économiste Olivier Bos, la façon dont l’extrême droite en France, en Allemagne et au Royaume Uni, instrumentalisent le sujet de l’immigration masque les ressorts réels de ce phénomène, et ses b...

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Al Roth @alroth.bsky.social · 30/08/2025

It’s not only economists who study markets. RIP Michel Callon #econsky #academicsky #sociology #socsky #france marketdesigner.blogspot.com/2025/08/mich...

marketdesigner.blogspot.com

Michel Callon (1945-2025)

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Olivier Bos @olivierbos.bsky.social · 30/08/2025

It’s time for me to step back from organizing the @vmdseminar.bsky.social. It has been a wonderful journey. Many thanks to Michael Greinecker (@yesthatsme.bsky.social) for taking over my role. It’s good to see the team renew over time. My thoughts are with Nora Szech, who was with us at the start.

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Olivier Bos @olivierbos.bsky.social · 21/07/2025

A wonderful opportunity to work on market design and environmental economics with Louis-Gaëtan Giraudet and Laurent Lamy, both great experts on the topic.

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Virtual Market Design Seminar @vmdseminar.bsky.social · 17/07/2025

Great opportunity for market designers. Join University of Mannheim and #ZEW as a Professor of Market Design if you fit the profile: outstanding research, especially on auction or matching markets, experience in policy advice and leadership of teams inomics.com/job/professo...

inomics.com

Professor of Economics, Market Design (W3) | INOMICS

In a joint appointment process, the Department of Economics at the School of Law and Economics at the University of Mannheim and the ZEW – Leibniz Centre for European Economic Research in Mannheim are...

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Centre for Economics at Paris-Saclay — CEPS @ceparis-saclay.bsky.social · 01/07/2025

📍Student Training Each year, @ceparis-saclay.bsky.social welcomes undergraduate students for a spring-summer internship. This cohort showed great promise for the future. Congrats to Abigäelle Marseille, Yael Jouanet, Anselme de Vallée, Gaspar Oleas, Arthur Lefort & Meg Vigo for their great work!

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Olivier Bos @olivierbos.bsky.social · 16/06/2025

Lettre ouverte d’universitaires et autres intellectuels, inspirée d'une déclaration il y a 100 ans sur le régime fasciste de Mussolini, rappelle que le monde peut à nouveau sombrer dans la violence de l’autocratie. stopreturnfascism.org/francais/

stopreturnfascism.org

Français - Open Letter Against the rise of Fascism in 2025

14 Juin 2025 Un siècle plus tard : une nouvelle lettre ouverte contre le retour du fascisme Le 1er mai 1925, alors que Mussolini était déjà au pouvoir, un groupe d’intellectuels italiens dénonça publi...

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Olivier Bos @olivierbos.bsky.social · 10/06/2025

This is co-organized with @ninabob.bsky.social, Nicolas Fugger, Daniil Larionov and @marionott.bsky.social. Marion is also the local organizer.

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Centre for Economics at Paris-Saclay — CEPS @ceparis-saclay.bsky.social · 10/06/2025

The workshop takes place next Monday @zew.de. The lineup is very exciting: Laura Doval, Patrick Lahr, Thomas Mariotti, @vincentmeisner.bsky.social, Paula Onuchic, Marco Ottaviani, Ferdinand Pieroth, Francisco Poggi, Phil Reny, Anna Sanktjohanser, Karolina Vocke, Tina Danting Zhang.

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Julien Combe @combeju.bsky.social · 10/06/2025

#EconSky #EconConf We are organizing a workshop in the memory of my coauthor & friend Yinghua He. Amazing list of speakers related to Yinghua's work, check it out! Info and registrations here: www.parisschoolofeconomics.eu/en/events/wo... @crestumr.bsky.social @pse.bsky.social @tse-fr.eu

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Centre for Economics at Paris-Saclay — CEPS @ceparis-saclay.bsky.social · 06/06/2025

The AFSE 2025 ended with a theater performance at the Scène de Recherche/ The play was based on the work of Dimitrios Xefteris (@ucy1.bsky.social), titled "Our Preferences", written and directed by Julien April.

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Olivier Bos @olivierbos.bsky.social · 04/06/2025

It was co-organized with Stefano Bosi (co-chair), @yesthatsme.bsky.social, Morgan Patty, @nraffin.bsky.social & our fantastic admin officer Solange Soubrier. Thank you to MSH Paris-Saclay, @psae.bsky.social, @univparissaclay.bsky.social & @univevry.bsky.social for financial support.

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Centre for Economics at Paris-Saclay — CEPS @ceparis-saclay.bsky.social · 04/06/2025

🎓 Round Table – Sexual and Gender-Based Violence in Academia: Assessment and Perspectives With Hélène Périvier (OFCE – Sciences Po), Mathieu Arbogast (CNRS Gender), Jean-Noël Senne (Université Paris-Saclay), and Camille Hémet (PSE)

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Centre for Economics at Paris-Saclay — CEPS @ceparis-saclay.bsky.social · 04/06/2025

"Strategic Voting When Winning Is Not All" A compelling presentation by Dimitrios Xefteris, Associate Prof at the University of Cyprus, who explored how strategic behavior evolves when voters care about more than just winning. Curious to know more? 👉 sites.google.com/site/dxefter...

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Olivier Bos @olivierbos.bsky.social · 04/06/2025

Mathilde Dufouleur is one of our PhD student at @ceparis-saclay.bsky.social. She is working on the intersection between regulatory frameworks and financial stability. ➡️ To know more about Mathilde works: sites.google.com/view/mathild...

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Olivier Bos @olivierbos.bsky.social · 04/06/2025

Michi is a fantastic theorist, with impressive works on games, matching and then information design.

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Centre for Economics at Paris-Saclay — CEPS @ceparis-saclay.bsky.social · 03/06/2025

Our 2nd Keynote Speaker this morning, Anne Perrot (IGF), in the Annual Conference AFSE 2025 on "Public policy towards the digital sector and the media"s

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Centre for Economics at Paris-Saclay — CEPS @ceparis-saclay.bsky.social · 02/06/2025

🦁🐍🐒🐧 If you're wondering why all these animals appeared on his slide... this is the one to look into. Explore his work here 👉 matthieucrozet.weebly.com "Phyloeconomic Trade Diversity" A fascinating talk by Mathieu Crozet, Professor at Université Paris-Saclay.

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Centre for Economics at Paris-Saclay — CEPS @ceparis-saclay.bsky.social · 02/06/2025

🌍 Among our many excellent presenters this morning at #AFSE2025, we had the pleasure of hearing Mathilde Degois (ENS Paris-Saclay & AgroParisTech) present her work: “Deforestation, Downwind Rainfall, and Economic Loss in Western Africa.” 🔎 Discover more of her work on her website: mathdeg.github.io

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Centre for Economics at Paris-Saclay — CEPS @ceparis-saclay.bsky.social · 02/06/2025

📸 Some moments from our first keynote at hashtag#AFSE2025! We were honored to welcome Manisha Shah (UC Berkeley) for a powerful opening session! 🔍 Discover more of her work here: manishashah.net

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Centre for Economics at Paris-Saclay — CEPS @ceparis-saclay.bsky.social · 02/06/2025

🚨 Kicking off the 73rd Annual Meeting of the French Economic Assoc. at ENS Saclay! We had the pleasure of opening the congress with an inspiring keynote by Manisha Shah “Unmasking the Global Epidemic: Understanding Violence Against Women and Shaping Change Through Policy.” Afficher la traduction

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Olivier Bos @olivierbos.bsky.social · 30/05/2025

Starting Monday for 3 days: @ceparis-saclay.bsky.social is hosting the 2025 AFSE Congress. Keynote speakers include Manisha Shah (@ucberkeleyofficial.bsky.social), Anne Perrot (Inspection Générale des Finances), and @t8el.bsky.social (@ox.ac.uk). @univparissaclay.bsky.social @univevry.bsky.social

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Olivier Bos @olivierbos.bsky.social · 21/05/2025

You can there discover the work of our PhD students! This is a joint workshop organized with @jeanlacroix.bsky.social, Felipe Starosta de Waldemar, @jwolfersberger.bsky.social, Hugo Molina, financially supported by @univparissaclay.bsky.social.

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Olivier Bos @olivierbos.bsky.social · 12/05/2025

Voie d’accès étudiante sur dossier de l’Ecole normale supérieure Paris-Saclay : rejoindre une ENS sans devenir fonctionnaire, ni passer un concours. Candidatures ouvertes du 13 mai au 12 juin pour l'admission en 1ère année. ens-paris-saclay.fr/admission/su...

ens-paris-saclay.fr

Voie étudiante | ENS-PARIS-SACLAY

L’ENS Paris-Saclay offre aux étudiants de haut niveau motivés par la recherche et/ou l’enseignement supérieur la possibilité de préparer le diplôme de l’ENS Paris-Saclay. Le recrutement des normaliens...

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Olivier Bos @olivierbos.bsky.social · 18/04/2025

L'attaque de l'administration Trump contre la liberté académique, la production et l’accès à la connaissance constitue une résurgence sans frontière de l’illibéralisme. Chronique du dept. SHS de l'ENS Paris-Saclay dans le @nouvelobs.com : www.nouvelobs.com/idees/202504... #ESR

nouvelobs.com

Liberté académique aux Etats Unis : l’attaque sans précédent laisse l’Europe amorphe

Régulièrement évoquée, l’idée d’un programme d’accueil des chercheuses et chercheurs américains s’avère très improbable au regard des difficultés budgétaires rencontrées par de nombreux pays du Vieux ...

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Olivier Bos @olivierbos.bsky.social · 03/03/2025

La première étape vers une démocratie illibérale consiste toujours à s'attaquer au monde académique, intellectuelles, intellectuels, artistes et journalistes. Celles et ceux qui diffusent, produisent la connaissance, et ainsi plus à même de déconstruire, faire échouer les essais en autoritarisme.

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