This is a bit old, and maybe it's been mentioned already?
There's an intriguing conversation which touches on sensory marketing/environmental design and how scents may be used to influence our shopping experiences/behaviors.
Disclaimer: The blog I linked to and the resulting conversation is perfume centric.
http://graindemusc.blogspot.co.....rains.html
The title is intentionally provocative, but give it a chance. It also references an earlier article from Salon that's worth a read. And a link at the end to another blog. The comments are also fun.
ETA: This analysis is more focused on shopping behavior
http://www.firstnerve.com/2012.....urage.html