More than two-thirds of advertisers (69%) have updated their media agency contracts within the past three years in response to concerns about transparency and alleged rebates in the media-buying, according to findings of the Association of National Advertisers’ just-released “Media Agency Compensation Practices” report.

The report, which is based on findings of a survey of ANA members fielded in April by JLB + Partners, also found that a third of marketers have made updates to their media agency compensation methods in the past year alone.

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