Normative commitment refers to an employee's desire to stay with the organization based on a sense of duty, social norms, or ethical standards. Ideal commitment refers to an employee's attention paid to personal growth and the pursuit of realization of the ideal. The employee concerns about whether the individual expertise can be exerted in the organization. Economic commitment refers to an employee's fear of suffering economic loss after leaving the organization. Opportunity commitment refers to an employee's fundamental reason to stay in the organization in that no more satisfying job could be found or no opportunity is found to look for another job due to the employees' low level of technology skills.