Stokman, F.

broker knowledge account management network service measure position account management system individual performance broker positions organization simmelian relationship diversity role ambiguity specification effect ambiguity manager model delivery expectation process trust workgroup marketing information account manager role conflict constraint effectiveness role expectations conflict control theory research result variable customer contribution exchange example journal knowledge bases analysis task-specific broker positions resource specialist burtian science study krackhardtian structure simmelian brokers equation account management organization table hypothesis task-specific group behavior question efficiency service delivery tasks task-specific knowledge networks opportunity service specification account management system krackhardt press role stressors department actor triad performance measures broker position simmelian system