When a department head needs a faculty member, how is the process of hiring one started and conducted (at least in US and UK universities)?
Of particular interest is the following;
Finance: Department head should ask the Dean for financing the salary? Who is the final decision maker?
Selection: Is the department head responsible for forming the search committee? and is he responsible for approving the qualifications? Can higher officials (e.g. Dean) interfere in the selection?
After the selection, how are the official matters handled? Who signs the contract? and who can terminate it (if not tenured)?
What is the role of human resources in this process?