Dec 19, 2018

I don't know about 'authoritative', but ads do seem to hurt. The existing experimental and quasi-experimental literature shows very bad effects on user behavior:

1. "Measuring Consumer Sensitivity to Audio Advertising: A Field Experiment on Pandora Internet Radio", Huang et al 2018: [experimental]

2."The Effect of Ad Blocking on [Firefox] User Engagement with the Web", Miroglio et al 2018: [quasi]

3. and my own A/B test: [experimental]