Speldekamp, D., Knoben, J., & Saka-Helmhout, A. (2020). Clusters and firm-level innovation: A configurational analysis of agglomeration, network and institutional advantages in European aerospace. Research Policy, 49(3). doi:10.1016/j.respol.2020.103921
Speldekamp, D., Saka-Helmhout, A., & Knoben, J. (2020). Reconciling Perspectives on Clusters: An Integrative Review and Research Agenda. International Journal of Management Reviews, 22(1), 75-98. doi:10.1111/ijmr.12216