A Comparison of Two Measures of Competition Author(s): Ann L. Oberg, Linda J. Young, Leon G. Higley Source: Journal of Agricultural, Biological, and Environmental Statistics, Vol. 1, No. 4 (Dec., 1996), pp. 393-403 Published by: International Biometric Society Stable URL: http://www.jstor.org/stable/1400435 . Accessed: 25/01/2011 16:35 Your use of the JSTOR archive indicates your acceptance of JSTOR's Terms and Conditions of Use, available at . http://www.jstor.org/page/info/about/policies/terms.jsp. JSTOR's Terms and Conditions of Use provides, in part, that unless you have obtained prior permission, you may not download an entire issue of a journal or multiple copies of articles, and you may use content in the JSTOR archive only for your personal, non-commercial use. Please contact the publisher regarding any further use of this work. Publisher contact information may be obtained at . http://www.jstor.org/action/showPublisher?publisherCode=ibs. . Each copy of any part of a JSTOR transmission must contain the same copyright notice that appears on the screen or printed page of such transmission. JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range of content in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new forms of scholarship. For more information about JSTOR, please contact support@jstor.org. International Biometric Society is collaborating with JSTOR to digitize, preserve and extend access to Journal of Agricultural, Biological, and Environmental Statistics. http://www.jstor.org