@misc{Raupach2005,
  author    = {Peter Raupach},
  title     = {The cost of employee stock options . [This draft: November 13, 2003]},
  number    = {November 13, 2003},
  institution = {Wirtschaftswissenschaften},
  type      = {workingpaper},
  pages     = {34},
  year        = {2005},
}