Hall , 1995 Olivergo , Bann Kopelman , 1997 Schulz , Hauck C Hauck L , 2001 . Executive Coaching : Value Added and Costs How and in what form coaching takes place is usually specifically adjusted to the clients ' needs . Most coaching is conducted over the phone with occasional personal meetings . The fees quotes for coaches in 2001 ranged from 400 to 3 .000 monthly . At the same time , when a coach is hired for specialized projects that require extensive research and a lot of time...











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