The study doesn't match exactly to O'Connell's thesis - researcher David Dubois was studying how to reduce obesity in poor populations.

这份研究与奥康奈尔的文章并不是完全契合，研究者杜波依斯则正在研究如何在低收入群体中减少肥胖率。

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David Dubois is an assistant professor of marketing at HEC Paris.

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David Dubois is Assistant Professor of Marketing at INSEAD.

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