1. On the theoretical specification of industrial structure-performance relationships;Cowling;European Economic Review,1976
2. Price-cost margins and market structure;Cowling;Economica,1976
3. Industry performance gradient indexes;Dansby;American Economic Review,1979
4. The number of firms and competition;Fama;American Economic Review,1972
5. The measurement of concentrated industrial structure and the size distribution of firms;Hause;Annals of Economic and Social Measurement,1977