@article{GrohmannEtheberSkiera2017,
  author    = {Christopher Grohmann and Thomas Etheber and Bernd Skiera},
  title     = {Virtual portfolios as a new data source to analyze investment decisions},
  journal   = {EFL quarterly : an E-Finance Lab publication},
  volume    = {2017},
  number    = {1},
  pages     = {6 -- 8},
  year      = {2017},
}