In this article, the authors illustrate why the CL analysis used by Whole Foods’ economist is not useful as a general matter. The type of analysis he presented is fundamentally flawed and cannot be used as a tool of market definition.

<DIV>In 1998, health expenditures in the United States accounted for 12.9% of national income-the highest share of income devoted to health in the developed world. The United States also spends more on medical research than any other country-in 2000, the federal government dedicated $18.4 billion to...</div>