The trade union disaffiliation from Confederación Sindical de Comisiones Obreras

This research makes an analysis of aggregated membership’s dynamics for Spanish trade unions, using ECVT data, as well as union memberships’ trajectories, or members’ decisions about joining the organization, permanency and responsibilities, and subsequent attrition. For the analysis of trajectories we make use of information of the records of actual memberships and the record of quitting of CCOO, and of a survey-questionnaire to a sample of leavers of the same union. This study allows us to confirm a linkage between the decision and motivations to become union member, to participate in union activities, the time of permanency, and the motives to quit the organization. We also identify five types of union members’ trajectories, indicating that, far from views that assert a monolithic structure, unions are complex organizations.

Start date: 01/07/2010

Finish date: 01/04/2011

Financing: Fundación Cultural 1º de Mayo

Responsable researcher: Ramon de Alós-Moner

Documents and publications:

ALÓS, Ramon; JÓDAR, Pere; BENEYTO, Pere; VIDAL, Sergi (2013): “La dinámica afiliativa sindical y las trayectorias de sus miembros“. Politica y Sociedad, 50 (3), pp. 1065-1096

VIDAL, Sergi; ALÓS, Ramon; JÓDAR, Pere; BENEYTO, Pere (2013): “Membership duration in a Spanish union: A survival analysis”. Economic and Industrial Democracy (doi 10.1177/0143831X13489358) .

JÓDAR, Pere ; ALÒS, Ramon (2011): “Why do workers leave unions? Group differences between workers in CCOO-Catalonia”. Europan Review of Labour and Research . Vol. 17, pp. 471-484 .

ALÓS, Ramon; JÓDAR, Pere; VIDAL, Sergi; BENEYTO, Pere (2011): La dinámica de la afiliación sindical. El caso de Comisiones Obreras. Madrid: Fundación Primero de Mayo.


Pere Jódar, Universitat Pompeu Fabra
Pere J. Beneyto, Universitat de València
Sergi Vidal, University of Bremen

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