At Solar Concepts, Inc., employees are promised long-term employment and are involved in decision making. The employees follow a somewhat specialized career path and have individual responsibility for results. Solar Concept's approach is an example of:

Theory Z management

Explanation:

The Theory Z approach to management (which was invented by William Ouchi) promotes stable long-term employment, collective decision making, high morality and employee satisfaction.

The theory focuses on increasing employee loyalty to the company by providing life-time employment with a strong focus on the well-being of the employee, both on and off the job.