Employees who are represented by a uion are paid approximately 30% more (in terms of pay and benefits costs) than...

Employees who are represented by a uion are paid approximately 30% more (in terms of pay and benefits costs) than employees who are not represented by a union.  How can an organization, whose employees are reprsented by a uion, remain comeptetive against and organiation whose employees are not respresented by a union, when it must commit more monies toward its employees, which often requires lowering its investments in reasearch and development and raising  its prices for products and service?