Explaining variation in the social performance of lean production: a comparative case study of the role played by workplace unions’ framing of the system and institutions

Several studies have acknowledged that lean production is implemented in diverse ways across workplaces, thereby generating different outcomes for workers. However, explanations for this variability needs further development. The present article addresses this issue by considering the role played by workplace unions' framing of lean production. It finds that unions' framing is derived from their identities in interaction with available resources in institutional and organisational terms. A case study comparison of the automotive parts industry in Italy and the United States was conducted.