This article reports a study that examined the crossover of job-related self-efficacy within working couples, its underlying mechanisms, and its work-related consequences. We proposed that the job-related self-efficacy of one partner (the ‘actor’) can be transmitted to the other partner (the ‘partner’). By building on self-efficacy research (Bandura, 1997), we hypothesized vicarious experience and verbal persuasion to be the mediators underlying this crossover process. We expected that the crossover of job-related self-efficacy would in turn result in the partner’s altered engagement at work. Using a sample of 102 professionals with an academic degree and their working partners, we conducted multilevel analyses using the actor–partner inter...