Marketing Extension and Competitive Structure

Paul L. Farris

Purdue University

This paper has benefited from criticisms of earlier drafts by my colleagues at Purdue. In particular I wish to acknowledge the suggestions of R. L. Kohls, J. W. Hicks, C. E. French, C. B. Cox, V. W. Ruttan, L. S. Robertson, and J. C. Bottum. The position presented, however, is that of the author.