@article{KlettkeHomburgGell2021,
  author    = {Tanja Klettke and Carsten Homburg and Sebastian Gell},
  title     = {How to measure analyst forecast effort},
  journal   = {European Accounting Review},
  volume    = {24},
  number    = {1},
  pages     = {129 -- 146},
  doi       = {10.1080/09638180.2014.909291},
  year      = {2021},
}