Dynamics of Organizational Populations: Density, Legitimation, and Competition.By Michael T. Hannan and Glenn R. Carroll. Oxford University Press, 1992. 286 pp. $29.95

This book seeks to deepen and broaden the understanding of change in organization populations by examining the dynamics of numbers of organizations in populations. The authors have studied various kinds of organizations, including national labour unions, newspapers and newspaper publishers, brewing firms, life insurance companies, and banks.