Under Review
Repression and Multifront Reversal in Movement Fragmentation
​Does state repression result in increased or decreased levels of fragmentation within an opposition movement? Despite the presence of conflicting findings in the existing research on the topic, there is limited success in reconciling the inconsistency. The article addresses the gap by examining how repression can affect various levels and dimensions of fragmentation in different directions. It argues that repression leads movements to shift each dimension and level of fragmentation in the opposite direction from its previous trend. The article employs the Separable Temporal Exponential Random Graph Model, using the frequency of interactions as the main indicator, to analyze tweets from the 2011 Occupy Wall Street movement. The empirical analysis supports the argument, showing that the two repressive events—the Brooklyn Mass Arrests on October 1 and the Attempted Eviction of Zuccotti Park on October 14—shift different dimensions and levels of fragmentation in opposite directions compared to prior periods. ​
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Navigating Violence Between Surface and Below:
Effect of Protester Reaction to Violent Flanks on Mobilization
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Does the emergence of violent flanks increase or decrease the mobilization of unarmed protests? This article seeks to reconcile the conflicting results in the literature by shifting its attention to two factors that remain unexamined in the field. First, it focuses on nonviolent protesters' responses to violent flanks rather than their presence. Second, it highlights the discrepancy between surface-level and actual protest fragmentation, shaped by nonparticipants' limited observation of true fragmentation. This article argues that nonviolent protesters' endorsement for or opposition to violent flanks affects mobilization differently depending on the extent of fragmentation discrepancy. The greater the discrepancy, the more nonviolent protesters’ responses influence mobilization, with the direction determined by whether surface-level or actual fragmentation is more pronounced. The hypotheses are supported by analyzing the Nonviolent and Violent Campaigns and Outcomes dataset (NAVCO 2.1), Armed Conflict Location and Event Data (ACLED), and examining the 2019 Hong Kong anti-extradition protest.