Tous droits réservés © Département des relations industrielles de l'Université Laval, 2016Ce document est protégé par la loi sur le droit d'auteur. L'utilisation des services d'Érudit (y compris la reproduction) est assujettie à sa politique d'utilisation que vous pouvez consulter en ligne.https://apropos.erudit.org/fr/usagers/politique-dutilisation/ Cet article est diffusé et préservé par Érudit.Érudit est un consortium interuniversitaire sans but lucratif composé de l'Université de Montréal, l'Université Laval et l'Université du Québec à Montréal. Il a pour mission la promotion et la valorisation de la recherche. © département des relations industrielles, université laval -issn 1703-8138 -ri/ir, 71-4, 2016, 589-610 589 Multi-Scalar Trade Unionism: Lessons from Maritime Unions Peter Fairbrother and Victor Oyaro Gekara increasingly unions have to address the challenges of global work and employment relations; to meet this objective, some unions are developing multi-scalar approaches. the question for unions is to what extent they either have leverage or the potential to exercise power in relation to state and corporate decisions and strategies. the argument is that unions face challenges as collective actors, where multinational capital, supported by states, increasingly defines the work and employment relations of workplaces. one response is to organize to promote the definition and deployment of coordination practices. the focus is on the australian maritime industry and the main union, the Maritime Union of australia, as well as the international transport Federation, the global union. this study provides important lessons for multi-level organization and campaigning by unions to realize their capacities.