We are grateful to the following for permission to reproduce copyright material:

Figures

Figure 5.1 from Schlesinger, L.A. and Heskett, J.L., 1991. ‘Leonard A. Schlesinger and James L. Heskett Respond’, Harvard Business Review, November–December. Copyright © 1991 by the President and Fellows of Harvard College; all rights reserved.

In some instances we have been unable to trace the owners of copyright material, and we would appreciate any information that would enable us to do so.