Types of managerial decision making is about implementing a variety of decisions to situations of structured or unstructured problems.
Quantitative management approach is used to enhance decision making power by using quantitative tools including optimization models etc.
Henry Mintzberg Management states that the duty of managers can be best defined by looking over the management roles at work.
Human resource planning means matching internal & external staff with the anticipated vacancies in the organization for specific time period.
Employee union means an organized group of employees who collectively bargain to protect & promote the mutual interests of the group members.