Freeman, L.C. (1979), “Centrality in social networks: conceptual clarification”, Social Networks, Vol. 1, pp. 215-39. Galaskiewicz, J. (1985), “Interorganizational relations”, Annual Review of Sociology, Vol. 11, pp. 281-304. Geletkanycz, M.A. and Hambrick, D.C. (1997), “The external ties of senior executives: implications for strategic choice and performance”, Administrative Science Quarterly, Vol. 42, pp. 654-81. Geletkanycz, M.A., Boyd, B.K. and Finkelstein, S. (2001), “The strategic value of CEO external directorate networks: implications for CEO compensation”, Strategic Management Journal, Vol. 22 No. 9, pp. 889-98. Granovetter, M.S. (1985), “Economic action, social structure, and embeddedness”, American Journal of Sociology, Vol. 91, pp. 481-510. Gulati, R., Nohria, N. and Zaheer, A. (2000), “Strategic networks”, Strategic Management Journal, Vol. 21 No. 3, pp. 203-15. Hambrick, D. and Mason, P. (1984), “Upper echelons: the organization as a reflection of its top managers”, Academy of Management Review, Vol. 9 No. 2, pp. 193-206. Haunschild, P.R. (1993), “Interorganizational imitation: the impact of interlocks on corporate acquisition activity”, Administrative Science Quarterly, Vol. 38, pp. 564-92. Haveman, H.A. (1993), “Ghosts of managers past: managerial succession and organizational mortality”, Academy of Management Journal, Vol. 36 No. 4, pp. 864-81. Johanson, U. (2003), “Why are capital market actors ambivalent to information about certain indicators on intellectual capital?”, Accounting, Auditing & Accountability Journal, Vol. 16 No. 1, pp. 31-8. Khanna, T. and Palepu, K. (2000), “Is group affiliation profitable in emerging markets? An analysis of diversified Indian business groups”, The Journal of Finance, Vol. 55 No. 2, pp. 867-92. Khanna, T. and Rivkin, J.W.…