That is what they need to manage to insure their future success. In Europe, the first business processes to be widely outsourced were security, catering and building maintenance. Back office is a popular area to outsource nowadays. Banks in Europe are outsourcing back office functions because of the cost savings. That's not true today.
Bankers have to know where every penny goes because competition is now global instead of local.
In addition, companies are outsourcing back office functions because their new international customers are sophisticated shoppers who are demanding better customer service.