Churn is a huge concern for insurers, credit card providers and telecommunications companies - even utilities. This Post-It Note author says that his company has found a way to reduce customer turnover - churn - by 10 percent using SAS Data Miner.
In fact, there are many ways - using SAS - to reduce churn. Here's a really interesting case study of EDF Energy. The utility used SAS Access, data managment and predictive analytics to understand and reduce an average churn rate of 38%! (The top half of the story is a little fluffy. Make sure you read the lower half where the author talks about how EDF did the work and what the results were.)