Interlocking Directorates Among Major Canadian Firms
Ornstein data frame has 248 rows and 4 columns.
The observations are the 248 largest Canadian firms with
publicly available information in the mid-1970s. The names
of the firms were not available.
Ornstein, M. (1976) The boards and executives of the largest Canadian corporations. Canadian Journal of Sociology 1, 411--437. Personal communication from M. Ornstein, Department of Sociology, York University.
Fox, J. (1997) Applied Regression, Linear Models, and Related Methods. Sage.