Books
Theocharis, Yannis & van Deth, Jan W. (2018) Political Participation in a Changing World: Conceptual and Empirical Challenges in the Study of Citizen Engagement. New York: Routledge.
Now also available in paperback! Order from Amazon or directly from Routledge
Journal Articles
Castro, Laia et al. (2021). Navigating High-Choice European Political Information Environments: A Comparative Analysis of News User Profiles and Political Knowledge. International Journal of Press/Politics. FORTHCOMING.
Theocharis, Yannis & Jungherr, Andreas (2020). Computational Social Science and the Study of Political Communication. Political Communication, 38 (1-2): 1-22.
Fazekas, Zoltan, Popa, Sebastian Adian, Schmitt, Herman, Barberá, Pablo & Theocharis, Yannis (2020). Elite-Public Interaction on Twitter: EU Issue Expansion in the Campaign. European Journal of Political Research, 60 (2): 376-396.
Theocharis, Yannis, de Moor, Joost & van Deth, Jan W. (2021). Digitally Networked Participation and Lifestyle Politics as New Modes of Political Participation. Policy & Internet, 13 (1): 30-53.
Kosmidis, Spyros & Theocharis, Yannis. (2020). Can Social Media Incivility Induce Enthusiasm? Evidence from Survey Experiments. Public Opinion Quarterly, 84 (S1): 284–308.
Theocharis, Yannis, Barberá, Pablo, Fazekas, Zoltan & Popa, Sebastian Adrian. (2020). The Dynamics of Political Incivility on Twitter. Sage Open, 10 (2).
Boulianne, Shelley & Theocharis, Yannis (2020). Young People, Digital Media, and Engagement: A Meta-Analysis of Research. Social Science Computer Review, 38 (2): 111 – 127.
Obert, Peter, Theocharis, Yannis & van Deth, Jan W. (2019). Threats, Chances and Opportunities: Social Capital in Europe in Times of Economic Crises. Policy Studies, 40 (1): 21-39.
Theocharis, Yannis & van Deth, Jan W. (2018). The Continuous Expansion of Citizens’ Participation: A New Taxonomy. European Political Science Review, 10 (1): 139-163.
Tucker, Joshua A., Theocharis, Yannis, Roberts, Margaret E. & Barberá, Pablo (2017). From Liberation to Turmoil: Social Media and Democracy. Journal of Democracy, 28 (4): 46-59.
Theocharis, Yannis, Vitoratou, Silia & Sajuria, J. (2017) Civil Society in Times of Crisis: Understanding Collective Action Dynamics in Digitally-Enabled Volunteer Networks. Journal of Computer-Mediated Communication, 22 (5): 248-265.
Jungherr, Andreas & Theocharis, Yannis (2017) The Empiricist’s Challenge: Asking Meaningful Questions in Political Science in the Age of Big Data. Journal of Information Technology & Politics, 14 (2): 97-109.
Theocharis, Yannis., Barbera, Pablo., Fazekas, Zoltan., Popa, Sebastian Adrian. & Parnet, Olivier. (2016) A Bad Workman Blames his Tweets: The Consequences of Citizens’ Uncivil Twitter Use when Interacting with Party Candidates. Journal of Communication, 66 (6): 1007-1031.
Nulty, Paul, Theocharis, Yannis, Popa, Sebatian, Parnet, Olivier & Benoit, Kenneth (2016) Social Media and Political Communication in the 2014 Election to the European Parliament. Electoral Studies, 44: 429-444.
Popa, Sebastian, Theocharis, Yannis & Schnaudt, Christian (2016) From Seeing the Writing on the Wall to Getting Together for a Bowl: Direct and Compensating Effects of Facebook Use on Offline Associational Membership. Journal of Information Technology & Politics,
13(3): 222-238.
Theocharis, Yannis & Lowe, Will (2016) Does Facebook Increase Political Participation? Evidence from a Field Experiment. Information, Communication & Society, 19(10): 1465-1486.
Theocharis, Yannis & Quintelier, Ellen (2016) Stimulating Citizenship or Expanding Entertainment? The Effect of Facebook on Adolescent Participation. New Media & Society, 18 (5): 817-836.
Theocharis, Yannis (2015) The Coneptualization of Digitally Networked Participation. Social Media + Society, 1 (2): 1-14.
Sajuria, Javier, van Heerde-Hudson, Jennifer, Hudson, David, Dasandi, Niheer & Theocharis, Yannis. (2015) Tweeting Alone? An Analysis of Bridging and Bonding Social Capital in Online Networks. American Politics Research, 43 (4): 708-738.
Theocharis, Yannis & van Deth, Jan W. (2015) A Modern Tragedy? Institutional Causes and Democratic Consequences of the Greek Crisis. Representation, 51 (1): 63-79.
Theocharis, Yannis, Lowe, Will, van Deth, Jan & Garcia-Albacete, Gema (2015) Using Twitter to mobilize protest action: Online mobilization patterns and action repertoires in the Occupy Wall Street, Indignados and Aganaktismenoi movements. Information, Communication & Society, 18 (2): 202-220.
Theocharis, Yannis (2013): The Wealth of (Occupation) Networks? Communication Patterns and Information Distribution in a Twitter Protest Network. Journal of Information Technology and Politics. 10(1): 35-56.
Theocharis, Yannis and Quintelier, Ellen (2013) Social Media Politics en democratie: een reactie op Henry Milner (Social Media and Democracy: A Response to Henry Milner). Res Publica 55: 116-120.
Quintelier, Ellen, and Theocharis, Yannis (2013) Online Political Engagement, Facebook and Personality Traits. Social Science Computer Review, 31(3): 280-290.
Theocharis, Yannis (2013) The Contribution of Websites and Blogs to the Students’ Protest Communication Tactics During the 2010 UK University Occupations. Information, Communication & Society, 16 (9): 1477-1513
Theocharis, Yannis (2012) Cuts, Tweets, Solidarity and Mobilisation: How the Internet Shaped the Student Occupations. Parliamentary Affairs, 65(1):162-194.
Theocharis, Yannis (2011) Young People, Political Participation and Online Postmaterialism in Greece. New Media & Society, 13 (2): 203-223.
Theocharis, Yannis (2011) The Influence of Postmaterialist Orientations on Young British People’s Offline and Online Political Participation. Representation, 47 (4): 435-455.
Chapters in Edited Volumes
Theocharis, Yannis & Joost de Moor (2021) “Creative Participation and the Expansion of Political Engagement”, Oxford Research Encyclopedia of Politics. Oxford: Oxford University Press. A copy is also accessible here.
Habel, Philip & Theocharis, Yannis (2019) ‘Citizens, Elites and Social Media: Methdological Challenges and Opportunities in the Study of Persuasion and Mobilization’. In Suhay, Elizabeth, Grofman, Bernard & Trechsel, Alexander (Eds.) The Oxford Handbook of Electoral Persuasion. New York: Oxford University Press.
Theocharis, Yannis & Walter, Stefanie (2017) ‘Solidarity or Antagonism? An Analysis of German News Media Reporting on Anti-Austerity Protests in Greece’. In T. Papaioanou & Guptas, S. (Eds) Grievances, Identities and Agency: Media Representations of Anti-Austerity Protests in the EU. New York: Routledge.
Theocharis, Yannis (2016) ‘Every Crisis is a Digital Opportunity: The Aganaktismenoi Movement’s Use of Social Media and the Emergence of Networked Solidarity in Greece’. In Bruns, A. et. al. (Eds.) The Routledge Companion to Social Media and Politics. New York: Routledge, pp. 185-197.
Theocharis, Y. (2015) ‘Is Digitally Networked Participation a Form of Political Participation?’. In Poguntke, T., Rossteutscher, S., Schmitt-Beck, R. & Zmerli, S. (Eds.) Citizenship and Democracy in an Era of Crisis. New York: Routledge, pp. 189-205.
Theocharis, Y. (2014) ‘ The Contribution of Websites and Blogs to the Students’ Protest Communication Tactics During the 2010 UK University Occupations’. In B.D. Loader, A. Vromen & Xenos, M. (Eds.). The Networked Young Citizens: Social Media, Political Participation and Civic Engagement. New York: Routledge, pp. 180-206.
Theocharis, Y. (2014) ‘Opportunities and Challenges in Analysing Twitter Content: A Comparison of the Occupation Movements in Spain, Greece and the US’. In R. Gibson, M. Cantijoch & Ward, S. (Eds.) Analyzing Social Media Data and Web Networks. London: Palgrave, pp. 130-152.