During the past 8 years, IPG and Publicis have grown their revenues, while WPP and Omnicom have declined. These holding companies are not managed in a uniform way. What's going on?
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Making Sense of Four Holding Companies: WPP…
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During the past 8 years, IPG and Publicis have grown their revenues, while WPP and Omnicom have declined. These holding companies are not managed in a uniform way. What's going on?