Cause marketing: Altruism or greed?

(PhysOrg.com) -- Companies that join with social causes to sell products not only enhance their image but also improve their bottom line, say University of Michigan researchers.

Study details the quirky geography of knowledge-sharing

Scholars have long been interested in tracking "knowledge spillovers," the way technical and intellectual advances spread among communities of researchers and innovators. And a significant body of work has shown that distance ...

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