1. ‘Conglomerate growth and public policy’. In (ed.), Economics of Conglomerate Growth, Oregon State University Department of Agricultural Economics, Corvallis, Oreg., 1969, pp. 72–80.
2. Conglomerate Merger: Causes, Consequences and Remedies, American Enterprise Institute for Public Policy Research, Washington, DC, 1980.
3. Performance differences in related and unrelated diversified firms
4. Risk/Return Performance of Diversified Firms