[gregory80]

I've heard about their UX A/B testing around showing cart flow and checkout, but actual pricing? Can you link to research?

[absconditus]

http://www.wired.com/techbiz/media/news/2000/09/38622

Searching for Amazon different prices with Google provides many claims of this over the years.

[gregory80]

this appears to be far more anecdotal evidence than research. I was thinking a published study, not simply consumers noticing price differences on checkout, haphazard sampling to say the very least..