@misc{HackethalZdantchouk2003,
  author    = {Andreas Hackethal and Alexandre Zdantchouk},
  title     = {Share buy-backs in Germany overreaction to weak signals? : [Version: Dec. 2003]},
  number    = {Version: Dec. 2003},
  institution = {Wirtschaftswissenschaften},
  type      = {workingpaper},
  year        = {2003},
}