May 31, 2011
Online Advertising Waters Down Impact Of Offline Ad Bans
Not allowed to advertise your booze or smokes on a billboard?
That's okay. Research shows online advertising works especially well in places with government ad bans.
The researchers compared data on respondents in 17 U.S. states where there are advertising restrictions on alcohol, with data for respondents in 33 states that did not regulate such advertising.
Respondents in states subject to restrictions were 8 percent less likely to say they would purchase an alcoholic beverage. But that gap narrowed to 3 percent when some of those consumers were exposed to online advertising for the product, suggesting the internet hurts the ability of local government to curb the effect of advertising on their residents.
Smaller local studies reinforced these findings, showing an increase in regulation of offline advertising increased the effectiveness of online ads, making them a "substitute" for the offline format.
The study shows that online advertising works especially well with consumers who have limited knowledge of a product "“ either because the product is new in the marketplace or because the consumer has not had exposure to it through other forms of advertising.
Besides the implications for authorities seeking to regulate advertising for things like tobacco, prescription drugs, and gambling, the study has implications for products that may be hard to advertise offline for other reasons besides legal restrictions.
"With people who you have a hard time reaching offline, those are the cases where online advertising is the most valuable," says Goldfarb.
While the findings may lead authorities to question the usefulness of advertising bans that do not include the online world, they may still be effective with narrowly-targeted groups, such as restricting certain kinds of ads around schools, Goldfarb says.
"Regardless of the situation, you need to remember people have this other channel to access information and that should inform your regulation. It shouldn't necessarily prevent your regulation."
The study, which was published by the Journal of Marketing Research, is available online here.
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