Advertising signals are normally too weak to be detected by standard A/B tests. Additionally, most traditional advertisers do not run A/B tests. Their agencies

Advertising signals are normally too weak to be detected by standard A/B tests. Additionally, most traditional advertisers do not run A/B tests. Their agencies especially do not run such tests. Source: https://scholar.google.com/scholar?hl=en&as_sdt=0%2C5&q=lewis+rao+2015+advertising+&btnG= https://scholar.google.com/scholar?hl=en&as_sdt=0%2C5&q=lewi...