“…The case further confirms the importance of unions’ communicative power in maximizing bargaining power (Doellgast et al, 2020; Frangi and Zhang, 2022): in our case, unionists constructed frames of solidarity not only between unions and citizens (Coderre-Lapalme et al, 2023) but also between the different unions, showing that public interest frames can be a viable vehicle for both inter-union brokerage and public mobilization (Krachler et al, 2021; Szabó, 2022). Regarding the deployment of communicative resources, the 2018 mobilization was unprecedented in the Danish union context, helping overcome cleavages – including those based on different levels of professionalization – within the union landscape (Behrens and Pekarek, 2021; Ebbinghaus and Visser, 2000).…”