@phdthesis{Braakmann2009,
  author      = {Nils Braakmann},
  title       = {Essays in Empirical Labor Economics},
  type        = {doctoralthesis},
  school      = {Leuphana Universit{\"a}t L{\"u}neburg, Universit{\"a}tsbibliothek der Leuphana Universit{\"a}t L{\"u}neburg},
  year        = {2009},
}