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A comparative content analysis of CNN, Fox News Channel, and MSNBC examined the extent to which the cable news networks utilize their news crawls or “tickers” for promotional purposes. Situated in economic, branding, and promotional theory, the study revealed that two out of three cable networks utilized their news tickers for some overt self-promotion, but used them infrequently as synergistic promotional tools for their parent companies, indicating journalistic integrity within this news space for the present time. The study also provides baseline information on the nature of cable news tickers.
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Coffey et al. (2008) studied this question.
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