1. Frontier Knowledge and Scientific Production: Evidence from the Collapse of International Science
    (with Alessandro Iaria, and Fabian Waldinger) [VoxEU]
    [Quarterly Journal of Economics 133(2), pp. 927–991, 2018.]
    Selected Media Coverage: Eurasiareview, Times Higher Education, MyScience,,, 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
    (with Karsten Müller)
    [Journal of the European Economic Association 19(4), pp. 2131–2167, 2021.]
    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,, 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
    (with Thiemo Fetzer) [VoxEU]
    [Economic Journal 131(636), pp. 1717–1741, 2021.]
    Selected Media Coverage: The Economist, Forbes, Frankfurter Allgemeine Zeitung, Handelsblatt, Breitbart , Financial Post, El Mundo, La Repubblica

Working Papers

  1. From Hashtag to Hate Crime: Twitter and Anti-Minority Sentiment
    (with Karsten Müller)
    Selected Media Coverage: Southern Poverty Law Center, NY Times Interpreter, Scientific American,, Stepfeed, ProMarket, The Daily Beast, Big Think, Religion News Service, The Canary, The National, The Week

  2. How Polarized are Citizens? Measuring Ideology from the Ground-Up
    (with Mirko Draca)
    Selected Media Coverage: New Statesman, Prospect Magazine,

  3. The Effect of Social Media on Elections: Evidence from the United States
    (with Thomas Fujiwara, and Karsten Müller) [VoxEu]
    Selected Media Coverage: La Repubblica

  4. Visual Stereotypes in News Media
    (with Elliott Ash, Ruben Durante, and Maria Grebenshchikova)