Influence of the pandemic lockdown on Fridays for Future's hashtag activism. - Jörg Haßler; Anna-Katharina Wurst; Marc Jungblut; Katharina Schlosser (New Media Soc., 2023)

Between anger and love: A multi-level study on the impact of policy issues on user reactions in national election campaigns on Facebook in Germany, Hungary, and Norway. - Hedvig Tønnesen; Márton Bene; Jörg Haßler; Anders Olof Larsson; Melanie Magin; Eli Skogerbø; Anna-Katharina Wurst (New Media Soc., 2025)