At yesterday’s big Herbalife investor day, the company paraded around Anne T. Coughlan, a marketing professor at Northwestern University, who proudly proclaimed that Herbalife is not a pyramid scheme. No, it is a legitimate multi-level marketing company.

In July, Coughlan published this paper on Herbalife, concluding that Herbalife is squeaky clean. Let’s be clear. Herbalife paid Coughlan to publish this paper. The paper notes:

This document was prepared with the financial and data support of Herbalife
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