Fraud long has been known to be one of the most troublesome issues on the Internet, with digital advertising increasingly one of its prime victims ([Edelman, 2014][1]; [Interactive Advertising Bureau, 2015][2]; [Springborn and Barford, 2013][3]). The Association of National Advertisers (ANA) in late
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Gian M. Fulgoni (2016) studied this question.
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