That's right: it's about the psychology post-purchase. How does the buyer feel? Do they feel good about their experience, or is there a nagging feeling of havin

That's right: it's about the psychology post-purchase. How does the buyer feel? Do they feel good about their experience, or is there a nagging feeling of having missed out on a deal? This research paper studies those effects: http://www2.owen.vanderbilt.edu/mike.shor/research/promo/jpbm_reprint.pdf http://www2.owen.vanderbilt.edu/mike.shor/research/promo/jpb...