Second is the Quantitative management, which is the approach that emphasizes the application of quantitative analysis to managerial decisions and problems. This approach is different because it deals only with management problems. It helps managers know how to deal and solve problems the proper way. It also helps managers make proper decisions.
Third we have Organizational behavior, which is an approach that studies and identifies management activities that promote employee effectiveness by examining the complex and dynamic nature of individual, group, and organization processes. This approach is different from the others because it studies and identifies how employees act under their superiors. However a manager treats their employees is how the employees will act on the job.
Lastly we have system theory, which means a theory stating that an organization is a managed system that changes inputs into outputs. This approach is different because it depends on the inputs from the outside world. Because circumstances or inputs are consistently changing , there is no good way to organize and manage an organization with this approach.
An open system is an organizations that is affected by, and that affect, their