“…Third, certain political attitudes and values, such as left–right ideology, satisfaction with democracy, and political interest, could likewise be important predictors of political activism, both online and offline (Norris, 2001; van Laer, 2010). Also, offline political engagement, in general, and participation in offline unconventional activities, in particular, are associated with increased online political participation (Lobera and Portos, 2020). Finally, we include country fixed-effects in order to account for the specific (institutional, historical, cultural) characteristics of each country that might be correlated with online political activities.…”