“…When managers’ opposition to companies’ interests is addressed, the focus is put on ‘misbehaviours’, individual actions that do not conform to companies’ expectations (Ackroyd and Thompson, 1999), such as the appropriation of time, work, identity and products (Hadjisolomou, 2019). In contrast, managers’ organised collective actions have attracted scarce attention, partly because of the scholarly assumption that managers have less interest in unions, and by legal prohibitions of manager trade unions in countries such as the United States (Barton and van den Broek, 2011). However, in certain institutional and organisational contexts, trade unions may be a powerful tool for managers to influence their labour conditions (e.g.…”