This paper investigates barriers to effective knowledge spillovers for markets in which the product can be … barriers to knowledge spillovers. We find that the incentive to foster spillovers to increase suppliers ́knowledge is limited … failed to increase the sectoral knowledge spillovers. By contrast, the participation in formal knowledge networks has been …

learning model with the theory of rational inattention introduced by Sims (2006). In the model firms optimally allocate …