I'm not sure where the old threads from this section get archived, but every year there's an 'accepted!' thread with people's stats. Here's the one from my year (2009) http://talk.collegeconfidential.com/georgia-institute-technology/665090-accepted-post-stats-here.html.
WRONG, WRONG, WRONG. That same revealed that, when customers stop using a product or service, the reason is almost always either bad customer service (cited by 74 percent of respondents) or poor quality (cited 32 percent of respondents). Price was only an issue for only a quarter of the respondents, and product functionality (i.e.
Total quality costs as a percentage of total revenues have declined from 24.7% to 14.1%. External failure costs, those costs signaling customer dissatisfaction, have declined from 8.9% of total revenues to 2.8% of total revenues and from 36% of all quality costs to 20.1% of all quality costs.