A study by the Association of National Advertisers in the US has found that about a third of marketers polled believe their advertising agencies are infected by "creative arrogance", charge too much and fail to produce work that is on a strategy.
A third of those polled said production costs were "too expensive" and a quarter said ad agency execution "takes too long and has too many reworks".
The ANA has 330 industry members who spend more than US$1 billion ($1.47 billion) annually.
'Creative arrogance' epidemic
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