title: [Any benefits of the Ph.D. degree?].
authors.forename: Kristian
authors.initials: K
authors.lastname: Naeser
mesh_terms: D003362:Cost-Benefit Analysis; D003718:Denmark; D004503:Education, Medical, Graduate / Q000191:economics; D006801:Humans; D012106:Research / Q000191:economics / Q000592:standards