It'd have to be something like AdSense click-thru rates affecting search positions.
If there was a causation, then if you want higher SERPs, you'd need to use AdSense over competing ad providers. Essentially, using their monopoly in Search to be anti-competitive in text-ads.
I wonder if anybody has done such a test already...
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If we want to accuse Google of taking anti-competitive actions, we have to at least decide what those actions are.
It'd have to be something like AdSense click-thru rates affecting search positions.
If there was a causation, then if you want higher SERPs, you'd need to use AdSense over competing ad providers. Essentially, using their monopoly in Search to be anti-competitive in text-ads.
I wonder if anybody has done such a test already...
Subsidizing Mozilla to be the default search engine in firefox ?