Migrant construction workers are among the most vulnerable working populations in China as they are prone to facing the problem of wage arrears under the multi-tier subcontracting system. Based on ethnographic research of migrant construction workers in Tianjin, Shenzhen, Nanchang and Shaoguan, we examine workers’ divergent responses to wage arrears. While extant literature focuses on the positive role of informal networks in facilitating collective action, our findings indicate that the network structure between labour subcontractors and migr...