@article{VogelKroll2016,
  author    = {Dominik Vogel and Alexander Kroll},
  title     = {The stability and change of psm-related values across time},
  journal   = {International public management journal},
  series    = {Testing theoretical expectations against panel data},
  volume    = {19},
  pages     = {53 -- 77},
  doi       = {10.1080/10967494.2015.1047544},
  year      = {2016},
}