Research

Publications

  1. Frontier Knowledge and Scientific Production: Evidence from the Collapse of International Science
    [Quarterly Journal of Economics 133(2), pp. 927–991, 2018.]
    (with Alessandro Iaria, and Fabian Waldinger) [VoxEU]
    Selected Media Coverage: Eurasiareview, Times Higher Education, MyScience, Phys.org, Europapress.es, Centre Piece

  2. ldagibbs: A command for Topic Modeling in Stata using Latent Dirichlet Allocation
    [Stata Journal 18(1), pp. 101–117, 2018.] [Code Files]

  3. lsemantica: A Stata Command for Text Similarity based on Latent Semantic Analysis
    [Stata Journal 19(1), pp. 129–142, 2019.] [Code Files]

  4. Fanning the Flames of Hate: Social Media and Hate Crime
    [Journal of the European Economic Association 19(4), pp. 2131–2167, 2021.]
    (with Karsten Müller)
    Selected Media Coverage: The Economist, New York Times (1), New York Times (2), Financial Times, Guardian (1), Guardian (2), Times, VRT (Belgium Television), Bloomberg, Huffington Post, Deutsche Welle, Handelsblatt, Wirtschaftswoche, Pro Asyl, Watson.ch, Belltower News, The New European, TechCrunch, der Standard, Tagesspiegel, Golem, Luzerner Zeitung, EU Observer, La Repubblica

  5. Tariffs and Politics: Evidence from Trump’s Trade Wars
    [Economic Journal 131(636), pp. 1717–1741, 2021.]
    (with Thiemo Fetzer) [VoxEU]
    Selected Media Coverage: The Economist, Forbes, Frankfurter Allgemeine Zeitung, Handelsblatt, Breitbart , Financial Post, El Mundo, La Repubblica

  6. From Hashtag to Hate Crime: Twitter and Anti-Minority Sentiment
    [American Economic Journal: Applied Economics 15(3), pp. 270-312, 2023.]
    (with Karsten Müller)
    Selected Media Coverage: Southern Poverty Law Center, NY Times Interpreter, Scientific American, Reveal.org, Stepfeed, ProMarket, The Daily Beast, Big Think, Religion News Service, The Canary, The National, The Week

  7. Estimating Text Regressions using txtreg_train
    [Stata Journal 23(3), pp. 799–812, 2023.]
    [Code Files][Predicted Citation Model]

  8. The Effect of Social Media on Elections: Evidence from the United States
    [Journal of the European Economic Association, 22(3), pp. 1495-1539, 2024.]
    (with Thomas Fujiwara, and Karsten Müller) [VoxEU]
    Selected Media Coverage: La Repubblica

  9. How Polarized are Citizens? Measuring Ideology from the Ground-Up
    [Economic Journal, 134(661), pp. 1950–1984, 2024.]
    (with Mirko Draca)
    Selected Media Coverage:New Statesman, Prospect Magazine, Phys.org

  10. From Apprentice to President? Entertainment TV and US Elections
    [The Leadership Quarterly, 35(3), 2024.]
    (with Karsten Müller)

  11. Measuring Science: Performance Metrics and the Allocation of Talent
    [American Economic Review, 114(12), pp. 4052–4090, 2024.]
    (with Sebastian Hager and Fabian Waldinger)

  12. DADIT: A Dataset for Demographic Classification of Italian Twitter Users and a Comparison of Prediction Methods
    [LREC-COLING, 386, 4322–4332, 2024.]
    (with Lorenzo Lupo, Paul Bose, Mahyar Habibi, Dirk Hovy)

  13. Beyond the Stats: Realities, Perception, and Social Media Discourse on Poverty
    [AEA Papers & Proceedings 114, pp. 690-696, 2024]
    (with Paul Bose, Lorenzo Lupo, Mahyar Habibi, and Dirk Hovy)

Book Chapters

  1. Threats to scientific progress, past and present
    [CentrePiece 530, CEP, 2018.]
    (with Alessandro Iaria, and Fabian Waldinger)

  2. Should Chinese citizens be kept away from sensitive research at US universities?
    [LSE Business Review, 2018.]
    (with Alessandro Iaria, and Fabian Waldinger)

  3. The effect of social media on elections: Evidence from the United States
    [The Political Economy of Social Media, CEPR Press, Chapter 7, 2023.]
    (with Thomas Fujiwara, and Karsten Müller)

  4. Can social media spur offline hatred?
    [The Political Economy of Social Media, CEPR Press, Chapter 14, 2023.]
    (with Karsten Müller)

  5. Online Hate Speech, Offline Harm, and the Case for Content Moderation
    [EconPol Forum 26 (4) 41-46, 2025.]
    (with Karsten Müller)

Working Papers

  1. Gender Gaps in Academia: Global Evidence over the 20th Century
    [R&R Econometrica]
    (with Alessandro Iaria, and Fabian Waldinger) [VoxEU]

  2. Visual Stereotypes in News Media
    [R&R Economic Journal]
    (with Elliott Ash, Ruben Durante, and Maria Grebenshchikova)

  3. Social Media and Stock Market Participation
    [R&R Journal of Financial and Quantitative Analysis]
    (with Karsten Müller and Yuanyuan Pan)

  4. The Content Moderator’s Dilemma: Removal of Toxic Content and Distortions to Online Discourse
    [R&R Economic Journal]
    (with Mahyar Habibi and Dirk Hovy)

  5. Climbing the Ivory Tower: How Socio-Economic Background Shapes Academia
    (with Ran Abramitzky, Lena Greska, Santiago Pérez, Joseph Price, and Fabian Waldinger) [VoxEU]

  6. The Effect of Content Moderation on Online and Offline Hate: Evidence from Germany’s NetzDG
    (with Rafael Jiménez Durán and Karsten Müller) [VoxEU]

  7. The Effects of Online Content Moderation: Evidence from President Trump’s Account Deletion
    (with Karsten Müller)